The Diamondbacks' farm system is vastly improved from where it was a few years ago, but it's still not deep. Headlined by the live armed Jon Duplantier, this system is built around a strong group of hitters that played at High A Visalia in 2018, though after a solid top ten or so the system drops off and is mostly comprised of fringe talent. They have placed an emphasis on bats in the draft recently, and that has replenished the lower end of the system. In terms of pitching, most of the talent is closer to the major leagues and aside from Jon Duplantier, there are no true high-ceiling pitching prospects.
Affiliates: AAA Reno Aces, AA Jackson Generals, High A Visalia Rawhide, Class A Kane County Cougars, Short Season Hillsboro Hops, Rookie level Missoula Osprey, complex level AZL and DSL Diamondbacks
The Headliner: RHP Jon Duplantier
24 year old Jon Duplantier was a third round pick (89th overall) out of Rice in 2016, and though he had shoulder concerns in college, he has been mostly healthy in the minors. The result so far is a 17-4 record, a 1.79 ERA, a 1.05 WHIP, and a 245/74 strikeout to walk ratio over 211 innings since he was drafted, and in 2018 he was 5-1 with a 2.55 ERA, a 1.18 WHIP, and a 77/30 strikeout to walk ratio over 74 innings, mostly at AA Jackson. He has shown the ability to shut down AA hitting with great stuff and good enough command to make it all work, and really his only question is health. Though he managed 136 innings in 2017, he missed some more time in 2018 and was shut down after 74 innings and he might end up as a right handed James Paxton type who struggles to stay on the mound. When healthy though, he looks like a future #2 starter who could be up in the majors by late 2019.
Visalia Bats: 2B Jazz Chisholm, 1B Pavin Smith, C Daulton Varsho, 3B Drew Ellis, and OF Marcus Wilson
It just so happened to work out that most of the top impact bats in the Arizona system all spent the bulk of their 2018 season at High A Visalia, which must have made for a fun lineup to watch out in California. Keep in mind that Visalia is a hitter-friendly venue when reading statistics in this section. 20 year old Jazz Chisholm, a Bahamas native, has the highest ceiling in this group. Chisholm spent 76 games down at Class A Kane County before being called up to Visalia for 36 games, combining for 25 home runs, a .272/.329/.513 slash line, 17 stolen bases, and a 149/39 strikeout to walk ratio over 112 games. He's an explosive player with speed and power from a 5'11" frame, but he has to improve his plate discipline. That isn't a huge issue due to his age, so if he can shore up that strike zone a little bit, he could be a Rougned Odor-type second baseman in the majors. 22 year old Pavin Smith was probably the most notable hitter to appear for the Rawhide, though his season was somewhat disappointing as he finished with eleven home runs, a .255/.343/.392 line, and a 65/57 strikeout to walk ratio over 120 games, all at Visalia. The seventh overall pick out of the University of Virginia in 2017, Smith showed the excellent plate discipline he was known for in college, but the power he was projected to have has not yet materialized. At 6'2" with long arms, evaluators still think there is power to tap into, but he risks becoming just a bench bat if he doesn't get to it, even with his excellent plate discipline. He looked like he could be a Joey Votto out of college, but now it looks more like Jake Bauers. 22 year old Daulton Varsho was drafted 61 picks after Smith, 68th overall, in 2017 out of college in Wisconsin. Over 83 games between Visalia and some rehab work in complex ball, Varsho slashed .294/.367/.475 with 12 home runs, 19 stolen bases, and a 72/30 strikeout to walk ratio. He has power and speed, and with the ability to catch, he might be the most interesting prospect in the system. Catching isn't a given for Varsho, as his arm is mediocre, but if he can stick behind the plate he could be a J.T. Realmuto-type catcher with all around abilities as a hitter. Keep an eye on him. 22 year old Drew Ellis, yet another 2017 draft pick out of college, was a second rounder (44th overall) out of Louisville who has been more of a Smith-like disappointment than a Varsho-like surprise. This year, Ellis slashed .246/.331/.429 with 15 home runs and a 98/52 strikeout to walk ratio over 120 games at Visalia, putting up some solid numbers on the surface that look a little less impressive considering the hitter-friendly context of the California League. I liked Ellis on draft day (as I did with Varsho) because of his high-torque swing where he keeps his hands close to his body, kind of like Mike Trout, but he just didn't drive the ball enough in 2018 to set himself apart. I still like him and he could be a strong third baseman with power and on-base ability, but like Smith, he has to start hitting with more authority. Yet another 22 year old, outfielder Marcus Wilson, spent the year at Visalia and slashed .235/.309/.369 with ten home runs, 16 stolen bases, and a 141/44 strikeout to walk ratio over 111 games. He was much better at Class A Kane County in 2017 (.295/.383/.446, 9 HR, 15 SB), so his lack of offensive sock this year was a disappointment. His best tool is his speed, but with an average bat, he probably ends up a fourth outfielder at the major league level.
Other Bats: 2B Domingo Leyba, 1B Kevin Cron, OF Jake McCarthy, OF Alek Thomas, OF Kristian Robinson, C Andy Yerzy, SS Blaze Alexander, and SS Geraldo Perdomo
While the bulk of Arizona's relevant bats were down at High A, they had quite a few that were a little farther back and two that were just ahead. 23 year old Domingo Leyba and 25 year old Kevin Cron are the two most advanced bats in the Diamondbacks' system, though they're two very different prospects. Leyba played 2018 at AA Jacksonville and slashed .269/.344/.381 with five home runs and a 46/35 strikeout to walk ratio over 83 games, showing good plate discipline and bat to ball skills but not showing much power. With some respectable defense, he looks like he could be a serviceable utility man who can get on base at a reasonable rate. Cron, meanwhile, is a big power hitter out of TCU who slashed .309/.368/.554 with 22 home runs and a 100/36 strikeout to walk ratio over 104 games at AAA Reno, though it's important to keep in mind that Reno is a hitter-friendly environment. The 6'5", 245 pound first baseman is blocked by Paul Goldschmidt in Arizona, but with 112 home runs over five minor league seasons, he could be a valuable pinch-hitter in the near term. However, in order for him to start in the majors, he'll need to walk more so that he is not just a one-dimensional player. 21 year old Jake McCarthy, the D-Backs' competitive balance pick (39th overall) out of the University of Virginia in 2018, was a nice get and I think he could out-play his draft position. McCarthy slashed .288/.375/.443 with three home runs, 21 stolen bases, and a 41/23 strikeout to walk ratio over 58 games, mostly with Short Season Hillsboro, after signing. He's really a complete player with speed, defense, on-base ability, and some power, and I think he'll develop more power in the minors. He hasn't yet played in full season ball, but he could move quickly through the minors and while he looks more like a good fourth outfielder at this point, I think he has a good shot to be a starting center fielder and valuable leadoff man. Meanwhile, 18 year old Alek Thomas was taken 24 picks later at 63rd overall out of high school in Chicago, and he adjusted quickly to pro ball by slashing .333/.395/.463 with two home runs, 12 stolen bases, and a 37/24 strikeout to walk ratio over 56 games evenly split between complex ball and rookie level Missoula. He was known pre-draft as an advanced hitter for his age and it certainly showed, though I question his ceiling and see him more as a fourth outfielder than as a starter. He has great plate discipline, speed, and defense, but he doesn't hit for much power and his value will be tied to his on-base percentage if he can't add more. If he can maintain those high on-base percentages, though, he could be a leadoff hitter down the road. His teammate for much of the season, 17 year old Kristian Robinson, is another Bahamian who got off to a hot start for his pro career by slashing .279/.363/.428 with seven home runs, 12 stolen bases, and a 67/27 strikeout to walk ratio over 57 games between complex ball and Missoula. He's extremely young, turning 18 in December, and while he's a long, long way off, he could end up with a similar offensive toolset to Jazz Chisholm. Players like Robinson flame out all the time, but they're also the type that can yield tons of value down the road if they don't flame out. 20 year old catcher Andy Yerzy has been brought along slowly, hitting well along the way and slashing .297/.382/.452 with eight home runs and a 67/28 strikeout to walk ratio over 63 games at Hillsboro. The bat is potent, especially for a catcher, but he has to continue to work on his defense if he wants to stay behind the plate. He's a good enough hitter that he could still be valuable as a first baseman or an outfielder, but he could be a starting catcher if he can improve his defense. Obviously, we'll still need to see the bat at higher levels before considering him a true impact prospect. 19 year olds Blaze Alexander and Geraldo Perdomo are a couple of young shortstop prospects who will be competing as they move up through the minors. Alexander got off to a hot start to his pro career in 2018, slashing .329/.417/.538 with five home runs, ten stolen bases, and a 52/31 strikeout to walk ratio over 55 games between complex ball and Missoula, while Perdomo hit .322/.438/.460 with four home runs, 24 stolen bases, an a 44/39 strikeout to walk ratio over 57 games between complex ball, Missoula, and Hillsboro. Both are good defenders, with Perdomo more likely to stick at short and Alexander more likely to move to third base, and while Perdomo also appears to have a little more sock in his bat, they're about even offensively and the transition to full season ball will be telling.
The Pitchers: Taylor Widener, Taylor Clarke, Emilio Vargas, Matt Tabor, Matt Mercer, Yoan Lopez, and Alex Young
The Diamondbacks aren't very deep with pitching after Jon Duplantier, so I decided to lump the rest of the pitchers into one section. Of the rest, 24 year old Taylor Widener is clearly the best, showing pretty decent command of mid-rotation stuff and using it to hold down minor league hitters very effectively to this point. In 2018, the 6' righty put up a 2.75 ERA, a 1.03 WHIP, and a 176/43 strikeout to walk ratio over 137.1 innings at AA Jackson, missing bats with his mid-90's heater and his sharp slider. Right now, he looks good enough to at least cut it as a back-end starter with the upside of a mid-rotation starter, and how effectively he can deploy his decent changeup will be an important factor in his ultimate performance. There's a good chance he makes it to the majors in 2019. His main competition among prospects, aside from Duplantier, will be another Taylor, 25 year old Taylor Clarke. Clarke is a veteran of the upper minors who posted a 4.03 ERA, a 1.27 WHIP, and a 125/44 strikeout to walk ratio over 152 innings at AAA Reno in 2018, a hitter-friendly context. While his stuff is generally average, Clarke commands his pitches well and can get outs by hitting his spots consistently. He will be tested in the majors, but he could be a #4 or #5 starter in 2019. 22 year old Emilio Vargas is slightly behind the two of them, but the 6'3" righty should not be overlooked. Over 26 games (25 starts) at High A Visalia and Jackson in 2018, Vargas posted a 2.88 ERA, a 1.20 WHIP, and a 170/49 strikeout to walk ratio over 143.2 innings. His stuff ticked up this year and he started missing more bats while throwing more strikes, and the result was a dominant run through the hitter-friendly California League followed by a successful AA debut. He still looks like a back-end starter, but 2018 gives hope that he could be more. Farther down on the farm, a couple of Matts have some high upside. 20 year old Matt Tabor posted a 3.26 ERA, a 1.19 WHIP, and a 46/13 strikeout to walk ratio over 60.2 innings at Short season Hillsboro, mainly living off his mid 90's fastball and good control, but he's young enough to continue developing those offspeed pitches and could look like Taylor Widener in a couple of years. 22 year old Matt Mercer, meanwhile, was just drafted in the fifth round of the 2018 draft out of Oregon and posted a 3.10 ERA, a 0.97 WHIP, and a 38/7 strikeout to walk ratio over 29 innings, mostly as Tabor's teammate at Hillsboro. It's a small sample size, but Mercer's low walk rate was a very welcome site after be battled command troubles in college, but he'll still need to refine his secondary pitches if he doesn't want to end up in the bullpen. I get a good feeling that pro coaching could make him a useable back-end starter, but the bullpen is a real possibility and he could be very good back there. Lastly, the Diamondbacks have a pair of notable relief-only prospects in 25 year olds Yoan Lopez and Alex Young. Lopez has had a very roundabout career, originally signing for a huge $8 million bonus in 2015 but struggling as a starter and briefly stepping away from the game in late 2016. He returned as a reliever in 2017 and has been lights out ever since, posting a 2.92 ERA, a 1.04 WHIP, and an 87/26 strikeout to walk ratio over 61.2 innings with Jackson in 2018 before reaching the majors with success in a small sample size (3.00 ERA, 11/1 K/BB in 9 IP). He throws an MLB-ready fastball/slider combination, and while his control keeps him from being a closer, he could be a valuable reliever starting this season. Young has also spent his minor league career as a starter and there is still some chance he starts in the majors, but I see him more as a relief prospect after a mediocre 2018 (5.17 ERA, 1.43 WHIP, 109/39 K/BB in 130.2 IP at Jackson and Reno). His stuff is fringy and could play up in the bullpen, and as a lefty he could be deployed strategically. Look for him as a potential long reliever.
Showing posts with label Taylor Clarke. Show all posts
Showing posts with label Taylor Clarke. Show all posts
Monday, November 26, 2018
Monday, February 26, 2018
One 2018 Breakout Star to Watch for Each Team: NL
The AL version of this list was recently published. Here is one guy to watch on each team whose name could be much more familiar by the end of the season. Age for the 2018 season given in parentheses.
Atlanta Braves: OF Ronald Acuna (Age 20)
High A/AA/AAA: 21 HR, .325/.374/.522, 44 SB, 155 wRC+ in 139 games
There are more than a few players primed for breakouts on the Braves, but perhaps none has a higher ceiling for 2017 than Ronald Acuna, the 20 year old sensation who tore up the three highest minor league levels as a teenager last season. Somehow, he got better with each promotion, and between High Class A Florida (28 games), AA Mississippi (57 games), and AAA Gwinnett (54 games), he crushed 21 home runs, stole 44 bases, and slashed .325/.374/.522 with 144 strikeouts to 43 walks in a total of 139 games. The K/BB ratio might not seem to be the prettiest, but his strikeout rate dropped with each level (from 31.7% in High A to 23% in AA to 19.8% in AAA) and his walk rate remained fairly static despite the increase in competition (6.3% to 7.4% to 7%). He'll likely begin 2018 with Gwinnett again to finish ironing out some holes in his approach, but he'll probably be up by the end of April and from there, the sky is the limit. Ender Inciarte is holding down center field, but Lane Adams is far from entrenched in left field and 34 year old Nick Markakis shouldn't be too much of a road block in right. Long story short, when he's ready, which should be very soon if not now, there will be a spot for him to play every day. With his combination of seemingly every tool, he's a star in the making. With that, don't overlook the guys listed below as others; I listed an extra one just because there are so many.
Others: 2B Ozzie Albies, SS Dansby Swanson, LHP Luiz Gohara, LHP Max Fried
Miami Marlins: OF Lewis Brinson (Age 24)
MLB: 2 HR, .106/.236/.277, 1 SB, 30 wRC+ in 21 games
AAA: 13 HR, .331/.400/.562, 11 SB, 146 wRC+ in 76 games
Perhaps the most exciting player to come to Miami in this offseason's complete tear-down was outfielder Lewis Brinson, a South Florida native bursting with tools. He hits and he hits it hard, and with his speed and defense, he's a complete player. While it is true that AAA Colorado Springs plays in a hitters' park in a generally hitter-friendly Pacific Coast League, Brinson's .331/.400/.562 slash line is still very impressive and at the very least proves he's major league ready. Though his .106/.236/.277 slash line with the Brewers was a bit less inspiring, he did draw seven walks for a very respectable 12.7% rate, proving he wasn't completely overmatched. Additionally, three of his five hits went for extra bases (including two home runs), so his power transferred up in the small sample as well. With Giancarlo Stanton, Marcell Ozuna, Christian Yelich, and Ichiro Suzuki all gone from last year's outfield, the stage is set for him to try his hand as a starter in the Marlins' outfield.
Others: 3B Brian Anderson, RHP Sandy Alcantara, OF Magneuris Sierra
New York Mets: SS Amed Rosario (Age 22)
MLB: 4 HR, .248/.271/.394, 7 SB, 74 wRC+ in 46 games
AAA: 7 HR, .328/.367/.466, 19 SB, 116 wRC+ in 94 games
All projection and no track record as recently as the start of the 2016 season, Amed Rosario broke out by slashing .324/.374/.459 with 19 stolen bases between High Class A Port St. Lucie and AA Binghamton that year, then continued to mash with a .328/.367/.466 line and 19 more stolen bases at AAA Las Vegas in 2017. This performance earned a call-up for the 21 year old shortstop, who held his own by slashing .248/.271/.394 across 46 major league games. Rosario is a great defender who has proven bat to ball and running abilities, looking like a future leadoff man if he can learn to take a walk. Unfortunately, the latter may take some time, considering his horrendous 49/3 strikeout to walk ratio with the Mets this past season, though his 87/40 and 67/23 marks in the minors in 2016 and 2017, respectively, are much better. I don't think Rosario will be an instant star in New York, but 2018 could see him begin to build towards that goal.
Others: 1B Dominic Smith, RHP Robert Gsellman, RHP Seth Lugo
Philadelphia Phillies: SS J.P. Crawford (Age 23)
MLB: 0 HR, .214/.356/.300, 1 SB, 83 wRC+ in 23 games
AAA: 15 HR, .243/.351/.405, 5 SB, 114 wRC+ in 127 games
One of the most highly regarded Phillies prospects in recent memory, Crawford has seen his star fade just a little bit upon reaching AAA. In 87 games with Lehigh Valley in 2016, he slashed just .244/.328/.318, and he wasn't much better in the first half of 2017, slashing .211/.328/.330 in 76 games. However, he turned it around in the second half, slashing .287/.385/.513 in 51 games for the IronPigs and earning a call-up to Philadelphia in September. His bat was light in those 23 games (.214/.356/.300), but the second half turnaround was just what the Phillies wanted to see. Crawford should have an easier time adjusting to the majors than most minor leaguers because of his extremely advanced approach at the plate, which helped him to a solid 97/79 strikeout to walk ratio at AAA this year. Even after his promotion to the majors, he held a 22/16 ratio, showing he could spot major league fastballs and offspeeds, so now the only step left is for him to start punishing mistakes.
Others: RHP Nick Pivetta, C Jorge Alfaro, RHP Ben Lively
Washington Nationals: OF Victor Robles (Age 20-21)
MLB: 0 HR, .250/.308/.458, 0 SB, 96 wRC+ in 13 games
High A/AA: 10 HR, .300/.382/.493, 27 SB, 147 wRC+ in 114 games
We round out the NL East with yet another high ceiling, athletic position player, and Victor Robles may end up being the best of them all. Robles, who doesn't turn 21 until May 19th, is currently the youngest player ever to suit up in the majors, and joins Ozzie Albies (January birthday) as one of only two MLB players born in the year 1997. Robles began the season at High Class A Potomac, but slashed .289/.377/.495 with 16 stolen bases in 77 games to force a promotion to AA Harrisburg, where he kept on hitting to the tune of a .324/.394/.489 slash line and 11 stolen bases in 37 games. In the majors for the month of September, he put up a respectable .250/.308/.458 line over 13 games, showing that he is at least ready for a shot. He'll likely start with some seasoning in AAA, but once he comes up, he can impact the game in a multitude of ways. For starters, he's blazing fast and has a cannon arm, making him a potential Gold Glove defender in center field, and he has great plate discipline for such a young player. Combine that with his athleticism and natural feel for the barrel, and he can post high on-base percentages and be a perfect leadoff man. The only area where he doesn't excel is power, but he should generate average pop and with his strong, athletic build, could max out as an Andrew McCutchen-type player. On top of it all, he is considered to have a great head on his shoulders, and that will be invaluable when his chance in the big leagues comes, likely sooner rather than later.
Others: RHP A.J. Cole, RHP Erick Fedde, OF Andrew Stevenson
Chicago Cubs: RHP Eddie Butler (Age 27)
MLB: 4-3, 3.95 ERA, 1.43 WHIP, 30/28 K/BB, 54.2 IP in 13 games (11 starts)
AAA: 2-0, 2.17 ERA, 1.34 WHIP, 30/12 K/BB, 45.2 IP in 8 starts
It's tough to pinpoint any real breakout candidate on the Cubs, considering pretty much every position is set with veterans or otherwise proven players. That said, if any of Jon Lester, Yu Darvish, Kyle Hendricks, Jose Quintana, or Tyler Chatwood gets hurt, Eddie Butler could be the guy who steps up and makes an impact. Butler pushed himself into the national prospect conversation by dominating the mid-minor leagues in 2013 (9-5, 1.80 ERA, 0.99 WHIP, 143/52 K/BB across three levels), but the former Radford Highlander never quite figured it out with the Rockies, going 6-16 with a 6.50 ERA and a 1.77 WHIP in parts of three seasons with them. Traded to the Cubs in 2017, he finally found his footing in the majors, going 4-3 with a 3.95 ERA and a 1.43 WHIP over 13 games (11 starts), and he could springboard off of that in 2018 if given the opportunity (though fellow starters Mike Montgomery and Jen-Ho Tseng will also gun for a spot in the case of an injury).
Others: OF Albert Almora, C Victor Caratini, RHP Jen-Ho Tseng
Cincinnati Reds: RHP Luis Castillo (Age 25)
MLB: 3-7, 3.12 ERA, 1.07 WHIP, 98/32 K/BB, 89.1 IP in 15 starts
AA: 4-4, 2.58 ERA, 1.01 WHIP, 81/13 K/BB, 80.1 IP in 14 starts
Traded as a part of the Casey McGehee deal of 2014, the Andrew Cashner deal of 2016, and the Dan Straily deal of 2017, Luis Castillo is making the Giants, Padres, Marlins regret their decisions. He dominated AA in 2017 (2.58 ERA, 1.01 WHIP, 81/13 K/BB with Pensacola) before a call-up to Cincinnati, where he continued to mow down hitters to the tune of a 3.12 ERA, a 1.07 WHIP, and a 98/32 strikeout to walk ratio. Interestingly, his strikeout rate actually went up after his promotion to the majors, having struck out 25.6% of AA hitters and 27.3% of major league hitters. He likely won't best his half-season rate stats from 2017, but those numbers held over a full season are borderline ace level. If his 2017 stats were for real, which I believe they may have been, then Castillo is the next face of the Reds rotation and that could begin in 2018.
Others: OF Jesse Winker, RHP Sal Romano, RHP Robert Stephenson
Milwaukee Brewers: LHP Josh Hader (Age 24)
MLB: 2-3, 2.08 ERA, 0.99 WHIP, 68/22 K/BB, 47.2 IP in 35 games
AAA: 3-4, 5.37 ERA, 1.54 WHIP, 51/31 K/BB, 52 IP in 12 starts
Drafted in the 19th round out of a Maryland high school way back in 2012, Josh Hader slowly climbed the minor league ladder while dominating his competition, going 23-17 with a 2.68 ERA and a 1.15 WHIP over 101 games (69 starts) up through his promotion to AAA Colorado Springs in 2016, striking out 471 and walking 171 in 420.1 innings. However, he struggled to adjust to the extremely hitter-friendly conditions in Colorado Springs and the Pacific Coast League, and in 26 starts since that promotion, he is 4-11 with a 5.28 ERA and a 1.48 WHIP. The Brewers decided to give him a change of scenery by not only promoting him to the majors, but shifting him to the bullpen as well. It worked, as Hader dominated major league hitters to the tune of a 2.08 ERA, a 0.99 WHIP, and a 68/22 strikeout to walk ratio in 47.2 innings. Manager Craig Counsell has said that he will begin 2018 in the bullpen again, but a move to the rotation is certainly possible and Hader has the stuff to do it. In a best case scenario, Hader could become a mid-rotation force or better for the Brewers in the near future, and even if that isn't the case, he has proven he is very effective as a power reliever.
Others: RHP Brandon Woodruff, RHP Luis Ortiz, RHP Corbin Burnes
Pittsburgh Pirates: RHP Tyler Glasnow (Age 24)
MLB: 2-7, 7.69 ERA, 2.02 WHIP, 56/44 K/BB, 62 IP in 15 games (13 starts)
AAA: 9-2, 1.93 ERA, 0.95 WHIP, 140/32 K/BB, 93.1 IP in 15 starts
Tyler Glasnow is about as enigmatic as it gets. The 6'8" right hander has absolutely obliterated minor league hitting to the tune of a 45-21 record, a 2.02 ERA, a 1.07 WHIP, and a 785/278 strikeout to walk ratio in 593.1 innings. This utter domination includes AAA, where he is a career 19-6 pitcher with a 1.95 ERA, a 1.11 WHIP, and a 321/116 strikeout to walk ratio over 244.1 innings. The trouble, however, has been translating that success just one more step to the majors. Over 22 major league outings over the past two seasons (including 17 starts), he is 2-9 with a 6.75 ERA and a 1.88 WHIP, striking out 80 and walking 57 in 85.1 innings. He still has that blazing mid to upper 90's fastball, but his command has been non-existent and hitters have been able to punish his mistakes. While he struck out 38.5% of those he faced in AAA this year, that number stood at just 18.4% in the majors, while his walk rate jumped from 8.8% to 14.4%. Glasnow does have an opportunity to jump back into the rotation if one of Jameson Taillon, Ivan Nova, Joe Musgrove, Chad Kuhl, or Trevor Williams gets hurt or becomes ineffective, and if he can put it together in 2018, he could finally become the rotation force the Pirates have envisioned for years. However, the Pirates have stated that they are open to using him in the bullpen this year, where his fastball could play up into the upper 90's and he could focus his energy. Either way, this could be the year Glasnow finds success, even if it's not the ace-level success some envisioned when he was climbing through the minors.
Others: 3B Colin Moran, OF Jordan Luplow, OF Austin Meadows
St. Louis Cardinals: RHP Miles Mikolas (Age 29)
NPB (Japan): 14-8, 2.25 ERA, 0.98 WHIP, 187/23 K/BB, 188 IP in 27 starts
Last year, Eric Thames made a triumphant return from three years in South Korea to blast 31 home runs for the Brewers. This year, their NL Central rivals are hoping to catch the same lightning in a bottle, this time from Japan. Miles Mikolas (Mikolas pronounced like Mike) was last season in the U.S. going 2-5 with a 6.44 ERA and a 1.43 WHIP over 10 starts for the Rangers in 2014, so he headed to Japan to play for the Yomiuri Giants. Apparently, something clicked for him over there, and in three seasons in the NPB, Mikolas went 31-13 with a 2.18 ERA, a 0.99 WHIP, and a 378/69 strikeout to walk ratio over 424.2 innings in 62 starts. His strikeout rate went up each year, from 14.9% in 2014, his final year in the MLB to 19.2% in his first year in Japan in 2015, to 22% in 2016, and finally up to 25.1% in 2017. Meanwhile, he posted a career-low 3.1% walk rate this year, and the Cardinals liked his performance enough to give him a two year, $15.5 million deal. He apparently upped his velocity during his time in Japan while refining his secondary pitches, all while maintaining and even improving the stellar command he had in the states. Eric Thames showed us that it isn't impossible for American returnees from Asia to make an impact right away, and Mikolas will look to follow in his footsteps.
Others: RHP Luke Weaver, RHP Jack Flaherty, RHP Alex Reyes
Arizona Diamondbacks: RHP Taylor Clarke (24-25)
AA/AAA: 12-9, 3.35 ERA, 1.21 WHIP, 138/52 K/BB, 145 IP in 27 starts
There aren't many openings in the Arizona lineup for new guys to break in, and the rotation looks set with Zack Greinke, Robbie Ray, Taijuan Walker, Patrick Corbin, and Zack Godley. However, one is bound to get hurt, and Braden Shipley and Taylor Clarke look like frontrunners to take that spot if it comes up. Originally drafted in the third round out of the College of Charleston as a senior in 2015, Clarke pitched very well in 2015 and 2016 and began 2017 with AA Jackson, where he put up a very strong 2.91 ERA, a 1.19 WHIP, and a 107/39 strikeout to walk ratio in 111.1 innings. Promoted to AAA Reno not long after his 22nd birthday, Clarke finally found a challenge in the hitter-friendly environment, going 3-2 with a 4.81 ERA and a 1.25 WHIP over six starts, striking out 31 and walking 13 in 33.2 innings. Still, his strikeout rate remained stable by dropping just two points from 23.5% to 21.5%, as did his walk rate by rising from 8.6% to 9%. A fly ball pitcher, he was hurt by the thin air of the Pacific Coast League, and while Arizona has some pretty thin air as well, they just introduced a humidor to try to mitigate that effect. The humidor could be a huge help for Clarke, and if given the chance, the Ashburn, Virginia native could make an impact on the NL West pennant race.
Others: RHP Braden Shipley, 2B Ketel Marte, RHP Jimmie Sherfy
Colorado Rockies: 1B Ryan McMahon (Age 23)
MLB: 0 HR, .158/.333/.211, 0 SB, 46 wRC+ in 17 games
AA/AAA: 20 HR, .355/.403/.583, 11 SB, 157 wRC+ in 119 games
A year ago, Ryan McMahon was in a very different position, coming off a season in which he struggled for the first time in his career (12 HR, .242/.325/.399 in 133 games at AA), and he was set to repeat the level to start his 2017 season. However, this time around, he proved 2016 to be a fluke and slashed .326/.390/.536 with six home runs in 49 games, forcing a promotion to AAA Albuquerque. There, in the hitter-friendly environment, he moved himself from "good" to "elite" in the prospect rankings, slashing .374/.411/.612 with 14 home runs in 70 games, finding himself in the majors by August. While he struggled against major league pitching (.158/.333/.211), he did manage five walks against five strikeouts, and if he can get just a bit more loft on the ball (he's primarily a ground ball hitter), his power could take off at Coors Field. He has a clear path to starting at first base this season, so watch for McMahon's bat in the thin air.
Others: OF Raimel Tapia, RHP Jeff Hoffman, C Tom Murphy
Los Angeles Dodgers: RHP Walker Buehler (Age 23-24)
MLB: 1-0, 7.71 ERA, 2.04 WHIP, 12/8 K/BB, 9.1 IP in 8 games
High A/AA/AAA: 3-3, 3.35 ERA, 1.11 WHIP, 125/31 K/BB, 88.2 IP in 28 games (19 starts)
The Dodgers seemingly always have breakout guys who jump into the national conversation early on. Last year, it was Cody Bellinger. The year before, it was Corey Seager. Before that, you had guys like Yasiel Puig and Justin Turner turning into stars. This year, there are two main candidates to be the next guy, and I'm going to write up Walker Buehler over Alex Verdugo. Buehler was drafted in the first round, 24th overall, as part of a standout Vanderbilt class in 2015, following Dansby Swanson (1st) and Carson Fulmer (8th). However, it would be over a year before Buehler stepped foot on a minor league mound after undergoing Tommy John surgery, and he didn't really get his career going until 2017. However, he dominated High Class A in five starts (1.10 ERA, 0.80 WHIP, 27/5 K/BB) and found himself in AA, where he continued to pitch well (3.49 ERA, 1.12 WHIP, 64/15 K/BB). He finally found a challenge with AAA Oklahoma City, putting up a respectable 4.63 ERA, a 1.29 WHIP, and a 34/11 strikeout to walk ratio in the hitter-friendly environment. Promoted to the majors for eight relief appearances, he was knocked around a bit (7.71 ERA, 2.04 WHIP), but he did strike out 27.3% of those he faced (12 in 9.1 innings). The Dodger rotation looks to consist of Clayton Kershaw, Rich Hill, Alex Wood, Hyun-Jin Ryu, and Kenta Maeda, but if one gets injured (and with Hill and Ryu in there, one probably will), Buehler could be the first to hear his name called. If he can ring in his command just a little, his stuff is nasty enough (upper 90's fastball, plus curveball), he could give the Dodgers a third straight NL Rookie of the Year Award winner.
Others: OF Alex Verdugo, RHP Brock Stewart, RHP Dennis Santana
San Diego Padres: RHP Dinelson Lamet (Age 25-26)
MLB: 7-8, 4.57 ERA, 1.24 WHIP, 139/54 K/BB, 114.1 IP in 21 starts
AAA: 3-2, 3.23 ERA, 1.33 WHIP, 50/20 K/BB, 39 IP in 8 starts
Dinelson Lamet didn't make his minor league debut until he was 22, which is old for a Dominican prospect, but he rose quickly once he got on the professional mound. In full season ball by 2015, he jumped three levels in 2016 and began 2017 at AAA El Paso in the hitter-friendly Pacific Coast League. However, nobody seemed to tell Lamet that the environment was supposed to be difficult, and after eight solid starts (3.23 ERA, 1.33 WHIP, 50/20 K/BB), he was promoted to the majors. Making 21 starts for the Padres, he struggled a bit with command (11.1% walk rate), but hitters had a tough time connecting with his nasty stuff and he struck out 28.7% of those he faced, or 139 in 114.1 innings. Unfortunately, his walk rate did rise throughout the year, but if he can keep his stuff in check, it's nasty enough to make him a mid-rotation starter and to build on the 4.57 ERA from this year. The Padres are still rebuilding, so as long as he stays healthy, he should have no problem earning a spot in the rotation and could thrive.
Others: RHP Luis Perdomo, OF Hunter Renfroe, RHP Kaz Makita
San Francisco Giants: RHP Chris Stratton (Age 27)
MLB: 4-4, 3.68 ERA, 1.48 WHIP, 51/28 K/BB, 58.2 IP in 13 games (10 starts)
AAA: 4-5, 5.11 ERA, 1.46 WHIP, 71/22 K/BB, 79.1 IP in 15 starts
The Giants are doing their best to go worst to first this year, adding numerous bats including Andrew McCutchen and Evan Longoria. However, the pitching staff has remained mostly untouched, especially in the starting department, leaving two unproven guys to take the #4 and #5 spots. Chris Stratton, Tyler Beede, and Andrew Suarez are frontrunners, but Stratton has a particularly strong case and could be in for a big season. Picked 20th overall out of Mississippi State in 2012, he developed slowly didn't get his first extended look in the majors until 2017, his age-26 season. In it, he was successful, going 4-4 with a 3.68 ERA and a 1.48 WHIP over 13 games (10 starts), but there is certainly room for improvement. His 10.9% walk rate was a bit high, but his walk rate trended down slightly as the season moved on. With a full season in pitcher-friendly San Francisco, Stratton could finally fulfill his mid-rotation potential.
Others: RHP Tyler Beede, LHP Andrew Suarez, 2B Miguel Gomez
Atlanta Braves: OF Ronald Acuna (Age 20)
High A/AA/AAA: 21 HR, .325/.374/.522, 44 SB, 155 wRC+ in 139 games
There are more than a few players primed for breakouts on the Braves, but perhaps none has a higher ceiling for 2017 than Ronald Acuna, the 20 year old sensation who tore up the three highest minor league levels as a teenager last season. Somehow, he got better with each promotion, and between High Class A Florida (28 games), AA Mississippi (57 games), and AAA Gwinnett (54 games), he crushed 21 home runs, stole 44 bases, and slashed .325/.374/.522 with 144 strikeouts to 43 walks in a total of 139 games. The K/BB ratio might not seem to be the prettiest, but his strikeout rate dropped with each level (from 31.7% in High A to 23% in AA to 19.8% in AAA) and his walk rate remained fairly static despite the increase in competition (6.3% to 7.4% to 7%). He'll likely begin 2018 with Gwinnett again to finish ironing out some holes in his approach, but he'll probably be up by the end of April and from there, the sky is the limit. Ender Inciarte is holding down center field, but Lane Adams is far from entrenched in left field and 34 year old Nick Markakis shouldn't be too much of a road block in right. Long story short, when he's ready, which should be very soon if not now, there will be a spot for him to play every day. With his combination of seemingly every tool, he's a star in the making. With that, don't overlook the guys listed below as others; I listed an extra one just because there are so many.
Others: 2B Ozzie Albies, SS Dansby Swanson, LHP Luiz Gohara, LHP Max Fried
Miami Marlins: OF Lewis Brinson (Age 24)
MLB: 2 HR, .106/.236/.277, 1 SB, 30 wRC+ in 21 games
AAA: 13 HR, .331/.400/.562, 11 SB, 146 wRC+ in 76 games
Perhaps the most exciting player to come to Miami in this offseason's complete tear-down was outfielder Lewis Brinson, a South Florida native bursting with tools. He hits and he hits it hard, and with his speed and defense, he's a complete player. While it is true that AAA Colorado Springs plays in a hitters' park in a generally hitter-friendly Pacific Coast League, Brinson's .331/.400/.562 slash line is still very impressive and at the very least proves he's major league ready. Though his .106/.236/.277 slash line with the Brewers was a bit less inspiring, he did draw seven walks for a very respectable 12.7% rate, proving he wasn't completely overmatched. Additionally, three of his five hits went for extra bases (including two home runs), so his power transferred up in the small sample as well. With Giancarlo Stanton, Marcell Ozuna, Christian Yelich, and Ichiro Suzuki all gone from last year's outfield, the stage is set for him to try his hand as a starter in the Marlins' outfield.
Others: 3B Brian Anderson, RHP Sandy Alcantara, OF Magneuris Sierra
New York Mets: SS Amed Rosario (Age 22)
MLB: 4 HR, .248/.271/.394, 7 SB, 74 wRC+ in 46 games
AAA: 7 HR, .328/.367/.466, 19 SB, 116 wRC+ in 94 games
All projection and no track record as recently as the start of the 2016 season, Amed Rosario broke out by slashing .324/.374/.459 with 19 stolen bases between High Class A Port St. Lucie and AA Binghamton that year, then continued to mash with a .328/.367/.466 line and 19 more stolen bases at AAA Las Vegas in 2017. This performance earned a call-up for the 21 year old shortstop, who held his own by slashing .248/.271/.394 across 46 major league games. Rosario is a great defender who has proven bat to ball and running abilities, looking like a future leadoff man if he can learn to take a walk. Unfortunately, the latter may take some time, considering his horrendous 49/3 strikeout to walk ratio with the Mets this past season, though his 87/40 and 67/23 marks in the minors in 2016 and 2017, respectively, are much better. I don't think Rosario will be an instant star in New York, but 2018 could see him begin to build towards that goal.
Others: 1B Dominic Smith, RHP Robert Gsellman, RHP Seth Lugo
Philadelphia Phillies: SS J.P. Crawford (Age 23)
MLB: 0 HR, .214/.356/.300, 1 SB, 83 wRC+ in 23 games
AAA: 15 HR, .243/.351/.405, 5 SB, 114 wRC+ in 127 games
One of the most highly regarded Phillies prospects in recent memory, Crawford has seen his star fade just a little bit upon reaching AAA. In 87 games with Lehigh Valley in 2016, he slashed just .244/.328/.318, and he wasn't much better in the first half of 2017, slashing .211/.328/.330 in 76 games. However, he turned it around in the second half, slashing .287/.385/.513 in 51 games for the IronPigs and earning a call-up to Philadelphia in September. His bat was light in those 23 games (.214/.356/.300), but the second half turnaround was just what the Phillies wanted to see. Crawford should have an easier time adjusting to the majors than most minor leaguers because of his extremely advanced approach at the plate, which helped him to a solid 97/79 strikeout to walk ratio at AAA this year. Even after his promotion to the majors, he held a 22/16 ratio, showing he could spot major league fastballs and offspeeds, so now the only step left is for him to start punishing mistakes.
Others: RHP Nick Pivetta, C Jorge Alfaro, RHP Ben Lively
Washington Nationals: OF Victor Robles (Age 20-21)
MLB: 0 HR, .250/.308/.458, 0 SB, 96 wRC+ in 13 games
High A/AA: 10 HR, .300/.382/.493, 27 SB, 147 wRC+ in 114 games
We round out the NL East with yet another high ceiling, athletic position player, and Victor Robles may end up being the best of them all. Robles, who doesn't turn 21 until May 19th, is currently the youngest player ever to suit up in the majors, and joins Ozzie Albies (January birthday) as one of only two MLB players born in the year 1997. Robles began the season at High Class A Potomac, but slashed .289/.377/.495 with 16 stolen bases in 77 games to force a promotion to AA Harrisburg, where he kept on hitting to the tune of a .324/.394/.489 slash line and 11 stolen bases in 37 games. In the majors for the month of September, he put up a respectable .250/.308/.458 line over 13 games, showing that he is at least ready for a shot. He'll likely start with some seasoning in AAA, but once he comes up, he can impact the game in a multitude of ways. For starters, he's blazing fast and has a cannon arm, making him a potential Gold Glove defender in center field, and he has great plate discipline for such a young player. Combine that with his athleticism and natural feel for the barrel, and he can post high on-base percentages and be a perfect leadoff man. The only area where he doesn't excel is power, but he should generate average pop and with his strong, athletic build, could max out as an Andrew McCutchen-type player. On top of it all, he is considered to have a great head on his shoulders, and that will be invaluable when his chance in the big leagues comes, likely sooner rather than later.
Others: RHP A.J. Cole, RHP Erick Fedde, OF Andrew Stevenson
Chicago Cubs: RHP Eddie Butler (Age 27)
MLB: 4-3, 3.95 ERA, 1.43 WHIP, 30/28 K/BB, 54.2 IP in 13 games (11 starts)
AAA: 2-0, 2.17 ERA, 1.34 WHIP, 30/12 K/BB, 45.2 IP in 8 starts
It's tough to pinpoint any real breakout candidate on the Cubs, considering pretty much every position is set with veterans or otherwise proven players. That said, if any of Jon Lester, Yu Darvish, Kyle Hendricks, Jose Quintana, or Tyler Chatwood gets hurt, Eddie Butler could be the guy who steps up and makes an impact. Butler pushed himself into the national prospect conversation by dominating the mid-minor leagues in 2013 (9-5, 1.80 ERA, 0.99 WHIP, 143/52 K/BB across three levels), but the former Radford Highlander never quite figured it out with the Rockies, going 6-16 with a 6.50 ERA and a 1.77 WHIP in parts of three seasons with them. Traded to the Cubs in 2017, he finally found his footing in the majors, going 4-3 with a 3.95 ERA and a 1.43 WHIP over 13 games (11 starts), and he could springboard off of that in 2018 if given the opportunity (though fellow starters Mike Montgomery and Jen-Ho Tseng will also gun for a spot in the case of an injury).
Others: OF Albert Almora, C Victor Caratini, RHP Jen-Ho Tseng
Cincinnati Reds: RHP Luis Castillo (Age 25)
MLB: 3-7, 3.12 ERA, 1.07 WHIP, 98/32 K/BB, 89.1 IP in 15 starts
AA: 4-4, 2.58 ERA, 1.01 WHIP, 81/13 K/BB, 80.1 IP in 14 starts
Traded as a part of the Casey McGehee deal of 2014, the Andrew Cashner deal of 2016, and the Dan Straily deal of 2017, Luis Castillo is making the Giants, Padres, Marlins regret their decisions. He dominated AA in 2017 (2.58 ERA, 1.01 WHIP, 81/13 K/BB with Pensacola) before a call-up to Cincinnati, where he continued to mow down hitters to the tune of a 3.12 ERA, a 1.07 WHIP, and a 98/32 strikeout to walk ratio. Interestingly, his strikeout rate actually went up after his promotion to the majors, having struck out 25.6% of AA hitters and 27.3% of major league hitters. He likely won't best his half-season rate stats from 2017, but those numbers held over a full season are borderline ace level. If his 2017 stats were for real, which I believe they may have been, then Castillo is the next face of the Reds rotation and that could begin in 2018.
Others: OF Jesse Winker, RHP Sal Romano, RHP Robert Stephenson
Milwaukee Brewers: LHP Josh Hader (Age 24)
MLB: 2-3, 2.08 ERA, 0.99 WHIP, 68/22 K/BB, 47.2 IP in 35 games
AAA: 3-4, 5.37 ERA, 1.54 WHIP, 51/31 K/BB, 52 IP in 12 starts
Drafted in the 19th round out of a Maryland high school way back in 2012, Josh Hader slowly climbed the minor league ladder while dominating his competition, going 23-17 with a 2.68 ERA and a 1.15 WHIP over 101 games (69 starts) up through his promotion to AAA Colorado Springs in 2016, striking out 471 and walking 171 in 420.1 innings. However, he struggled to adjust to the extremely hitter-friendly conditions in Colorado Springs and the Pacific Coast League, and in 26 starts since that promotion, he is 4-11 with a 5.28 ERA and a 1.48 WHIP. The Brewers decided to give him a change of scenery by not only promoting him to the majors, but shifting him to the bullpen as well. It worked, as Hader dominated major league hitters to the tune of a 2.08 ERA, a 0.99 WHIP, and a 68/22 strikeout to walk ratio in 47.2 innings. Manager Craig Counsell has said that he will begin 2018 in the bullpen again, but a move to the rotation is certainly possible and Hader has the stuff to do it. In a best case scenario, Hader could become a mid-rotation force or better for the Brewers in the near future, and even if that isn't the case, he has proven he is very effective as a power reliever.
Others: RHP Brandon Woodruff, RHP Luis Ortiz, RHP Corbin Burnes
Pittsburgh Pirates: RHP Tyler Glasnow (Age 24)
MLB: 2-7, 7.69 ERA, 2.02 WHIP, 56/44 K/BB, 62 IP in 15 games (13 starts)
AAA: 9-2, 1.93 ERA, 0.95 WHIP, 140/32 K/BB, 93.1 IP in 15 starts
Tyler Glasnow is about as enigmatic as it gets. The 6'8" right hander has absolutely obliterated minor league hitting to the tune of a 45-21 record, a 2.02 ERA, a 1.07 WHIP, and a 785/278 strikeout to walk ratio in 593.1 innings. This utter domination includes AAA, where he is a career 19-6 pitcher with a 1.95 ERA, a 1.11 WHIP, and a 321/116 strikeout to walk ratio over 244.1 innings. The trouble, however, has been translating that success just one more step to the majors. Over 22 major league outings over the past two seasons (including 17 starts), he is 2-9 with a 6.75 ERA and a 1.88 WHIP, striking out 80 and walking 57 in 85.1 innings. He still has that blazing mid to upper 90's fastball, but his command has been non-existent and hitters have been able to punish his mistakes. While he struck out 38.5% of those he faced in AAA this year, that number stood at just 18.4% in the majors, while his walk rate jumped from 8.8% to 14.4%. Glasnow does have an opportunity to jump back into the rotation if one of Jameson Taillon, Ivan Nova, Joe Musgrove, Chad Kuhl, or Trevor Williams gets hurt or becomes ineffective, and if he can put it together in 2018, he could finally become the rotation force the Pirates have envisioned for years. However, the Pirates have stated that they are open to using him in the bullpen this year, where his fastball could play up into the upper 90's and he could focus his energy. Either way, this could be the year Glasnow finds success, even if it's not the ace-level success some envisioned when he was climbing through the minors.
Others: 3B Colin Moran, OF Jordan Luplow, OF Austin Meadows
St. Louis Cardinals: RHP Miles Mikolas (Age 29)
NPB (Japan): 14-8, 2.25 ERA, 0.98 WHIP, 187/23 K/BB, 188 IP in 27 starts
Last year, Eric Thames made a triumphant return from three years in South Korea to blast 31 home runs for the Brewers. This year, their NL Central rivals are hoping to catch the same lightning in a bottle, this time from Japan. Miles Mikolas (Mikolas pronounced like Mike) was last season in the U.S. going 2-5 with a 6.44 ERA and a 1.43 WHIP over 10 starts for the Rangers in 2014, so he headed to Japan to play for the Yomiuri Giants. Apparently, something clicked for him over there, and in three seasons in the NPB, Mikolas went 31-13 with a 2.18 ERA, a 0.99 WHIP, and a 378/69 strikeout to walk ratio over 424.2 innings in 62 starts. His strikeout rate went up each year, from 14.9% in 2014, his final year in the MLB to 19.2% in his first year in Japan in 2015, to 22% in 2016, and finally up to 25.1% in 2017. Meanwhile, he posted a career-low 3.1% walk rate this year, and the Cardinals liked his performance enough to give him a two year, $15.5 million deal. He apparently upped his velocity during his time in Japan while refining his secondary pitches, all while maintaining and even improving the stellar command he had in the states. Eric Thames showed us that it isn't impossible for American returnees from Asia to make an impact right away, and Mikolas will look to follow in his footsteps.
Others: RHP Luke Weaver, RHP Jack Flaherty, RHP Alex Reyes
Arizona Diamondbacks: RHP Taylor Clarke (24-25)
AA/AAA: 12-9, 3.35 ERA, 1.21 WHIP, 138/52 K/BB, 145 IP in 27 starts
There aren't many openings in the Arizona lineup for new guys to break in, and the rotation looks set with Zack Greinke, Robbie Ray, Taijuan Walker, Patrick Corbin, and Zack Godley. However, one is bound to get hurt, and Braden Shipley and Taylor Clarke look like frontrunners to take that spot if it comes up. Originally drafted in the third round out of the College of Charleston as a senior in 2015, Clarke pitched very well in 2015 and 2016 and began 2017 with AA Jackson, where he put up a very strong 2.91 ERA, a 1.19 WHIP, and a 107/39 strikeout to walk ratio in 111.1 innings. Promoted to AAA Reno not long after his 22nd birthday, Clarke finally found a challenge in the hitter-friendly environment, going 3-2 with a 4.81 ERA and a 1.25 WHIP over six starts, striking out 31 and walking 13 in 33.2 innings. Still, his strikeout rate remained stable by dropping just two points from 23.5% to 21.5%, as did his walk rate by rising from 8.6% to 9%. A fly ball pitcher, he was hurt by the thin air of the Pacific Coast League, and while Arizona has some pretty thin air as well, they just introduced a humidor to try to mitigate that effect. The humidor could be a huge help for Clarke, and if given the chance, the Ashburn, Virginia native could make an impact on the NL West pennant race.
Others: RHP Braden Shipley, 2B Ketel Marte, RHP Jimmie Sherfy
Colorado Rockies: 1B Ryan McMahon (Age 23)
MLB: 0 HR, .158/.333/.211, 0 SB, 46 wRC+ in 17 games
AA/AAA: 20 HR, .355/.403/.583, 11 SB, 157 wRC+ in 119 games
A year ago, Ryan McMahon was in a very different position, coming off a season in which he struggled for the first time in his career (12 HR, .242/.325/.399 in 133 games at AA), and he was set to repeat the level to start his 2017 season. However, this time around, he proved 2016 to be a fluke and slashed .326/.390/.536 with six home runs in 49 games, forcing a promotion to AAA Albuquerque. There, in the hitter-friendly environment, he moved himself from "good" to "elite" in the prospect rankings, slashing .374/.411/.612 with 14 home runs in 70 games, finding himself in the majors by August. While he struggled against major league pitching (.158/.333/.211), he did manage five walks against five strikeouts, and if he can get just a bit more loft on the ball (he's primarily a ground ball hitter), his power could take off at Coors Field. He has a clear path to starting at first base this season, so watch for McMahon's bat in the thin air.
Others: OF Raimel Tapia, RHP Jeff Hoffman, C Tom Murphy
Los Angeles Dodgers: RHP Walker Buehler (Age 23-24)
MLB: 1-0, 7.71 ERA, 2.04 WHIP, 12/8 K/BB, 9.1 IP in 8 games
High A/AA/AAA: 3-3, 3.35 ERA, 1.11 WHIP, 125/31 K/BB, 88.2 IP in 28 games (19 starts)
The Dodgers seemingly always have breakout guys who jump into the national conversation early on. Last year, it was Cody Bellinger. The year before, it was Corey Seager. Before that, you had guys like Yasiel Puig and Justin Turner turning into stars. This year, there are two main candidates to be the next guy, and I'm going to write up Walker Buehler over Alex Verdugo. Buehler was drafted in the first round, 24th overall, as part of a standout Vanderbilt class in 2015, following Dansby Swanson (1st) and Carson Fulmer (8th). However, it would be over a year before Buehler stepped foot on a minor league mound after undergoing Tommy John surgery, and he didn't really get his career going until 2017. However, he dominated High Class A in five starts (1.10 ERA, 0.80 WHIP, 27/5 K/BB) and found himself in AA, where he continued to pitch well (3.49 ERA, 1.12 WHIP, 64/15 K/BB). He finally found a challenge with AAA Oklahoma City, putting up a respectable 4.63 ERA, a 1.29 WHIP, and a 34/11 strikeout to walk ratio in the hitter-friendly environment. Promoted to the majors for eight relief appearances, he was knocked around a bit (7.71 ERA, 2.04 WHIP), but he did strike out 27.3% of those he faced (12 in 9.1 innings). The Dodger rotation looks to consist of Clayton Kershaw, Rich Hill, Alex Wood, Hyun-Jin Ryu, and Kenta Maeda, but if one gets injured (and with Hill and Ryu in there, one probably will), Buehler could be the first to hear his name called. If he can ring in his command just a little, his stuff is nasty enough (upper 90's fastball, plus curveball), he could give the Dodgers a third straight NL Rookie of the Year Award winner.
Others: OF Alex Verdugo, RHP Brock Stewart, RHP Dennis Santana
San Diego Padres: RHP Dinelson Lamet (Age 25-26)
MLB: 7-8, 4.57 ERA, 1.24 WHIP, 139/54 K/BB, 114.1 IP in 21 starts
AAA: 3-2, 3.23 ERA, 1.33 WHIP, 50/20 K/BB, 39 IP in 8 starts
Dinelson Lamet didn't make his minor league debut until he was 22, which is old for a Dominican prospect, but he rose quickly once he got on the professional mound. In full season ball by 2015, he jumped three levels in 2016 and began 2017 at AAA El Paso in the hitter-friendly Pacific Coast League. However, nobody seemed to tell Lamet that the environment was supposed to be difficult, and after eight solid starts (3.23 ERA, 1.33 WHIP, 50/20 K/BB), he was promoted to the majors. Making 21 starts for the Padres, he struggled a bit with command (11.1% walk rate), but hitters had a tough time connecting with his nasty stuff and he struck out 28.7% of those he faced, or 139 in 114.1 innings. Unfortunately, his walk rate did rise throughout the year, but if he can keep his stuff in check, it's nasty enough to make him a mid-rotation starter and to build on the 4.57 ERA from this year. The Padres are still rebuilding, so as long as he stays healthy, he should have no problem earning a spot in the rotation and could thrive.
Others: RHP Luis Perdomo, OF Hunter Renfroe, RHP Kaz Makita
San Francisco Giants: RHP Chris Stratton (Age 27)
MLB: 4-4, 3.68 ERA, 1.48 WHIP, 51/28 K/BB, 58.2 IP in 13 games (10 starts)
AAA: 4-5, 5.11 ERA, 1.46 WHIP, 71/22 K/BB, 79.1 IP in 15 starts
The Giants are doing their best to go worst to first this year, adding numerous bats including Andrew McCutchen and Evan Longoria. However, the pitching staff has remained mostly untouched, especially in the starting department, leaving two unproven guys to take the #4 and #5 spots. Chris Stratton, Tyler Beede, and Andrew Suarez are frontrunners, but Stratton has a particularly strong case and could be in for a big season. Picked 20th overall out of Mississippi State in 2012, he developed slowly didn't get his first extended look in the majors until 2017, his age-26 season. In it, he was successful, going 4-4 with a 3.68 ERA and a 1.48 WHIP over 13 games (10 starts), but there is certainly room for improvement. His 10.9% walk rate was a bit high, but his walk rate trended down slightly as the season moved on. With a full season in pitcher-friendly San Francisco, Stratton could finally fulfill his mid-rotation potential.
Others: RHP Tyler Beede, LHP Andrew Suarez, 2B Miguel Gomez
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