Alex Colome, RHP, Tampa Bay Rays
44.1 IP, 2.84 ERA, .209 BAA, 51/20 K/BB (8 GS)
Another talented arm housed by the Rays at Triple-A Durham. Last two starts: 12.2 IP, 9 H, 4 ER, 21/5 K/BB.
James Paxton, LHP, Seattle Mariners
36.2 IP, 3.93 ERA, .268 BAA, 44/17 K/BB (8 GS)
A notorious slow starter, Paxton has seemingly righted the ship over his last four starts: 20.1 IP, 17 H, 4 ER, 27/7 K/BB.
Brian Flynn, LHP, Miami Marlins
47 IP, 2.11 ERA, .216 BAA, 50/13 K/BB (8 GS)
After walking six batters in his last start on May 7, the 6’7” left-hander was outstanding in his follow-up outing on Sunday: 6 IP, 5 H, ER, 9/0 K/BB.
Sonny Gray, RHP, Oakland Athletics
37 IP, 2.19 ERA, .230 BAA, 33/17 K/BB (6 GS)
Gray has resuscitated his prospect stock with a great start to the 2013 season at Triple-A Sacramento. Expect to see him in the majors at some point this season. Last three starts: 21 IP, CG, 15 H, 2 ER, 19/9 K/BB.
Jarred Cosart, RHP, Houston Astros
39 IP, 2.08 ERA, .191 BAA, 43/17 K/BB (8 G/7 GS)
Call it a gut feeling, but I think we’ll see Cosart in the major leagues by the end of June. Last three starts: 17 IP, 12 H, 2 ER, 20/8 K/BB.
Michael Wacha, RHP, St. Louis Cardinals
40.2 IP, 1.99 ERA, .189 BAA, 24/13 K/BB (7 GS)
Wacha isn’t piling up strikeouts as he did last season during his professional debut, but the 6’6” right-hander has been highly effective thanks to plus command of three pitches.
Danny Salazar, RHP, Cleveland Indians
38.2 IP, 2.33 ERA, .207 BAA, 56/13 K/BB (8 GS)
After dominating at the Double-A level to open the season, Salazar was promoted to Triple-A Columbus and impressed in his first start: 5 IP, 2 H, 5/3 K/BB. He’s already on the 40-man roster, so expect the hard-throwing right-hander to contribute at the major-league level in some capacity this season.
Andre Rienzo, RHP, Chicago White Sox
37 IP, 8.27 ERA, .308 BAA, 33/17 K/BB (8 GS)
After a breakout 2012 campaign, the Brazilian right-hander has really struggled so far at Triple-A Charlotte. Rienzo has allowed three or more earned runs in six of his eight starts.
Johnny Hellweg, RHP, Milwaukee Brewers
32.2 IP, 4.41 ERA, .197 BAA, 1.63 GO/AO, 31/25 K/BB (7 GS)
As his .197 BAA suggests, the 6’9” right-hander is naturally tough to barrel. That said, his struggles this season are the result of poor fastball command. Last two starts: 8.2 IP, 6 H, 7 ER, 5/8 K/BB.
Tyler Skaggs, LHP, Arizona Diamondbacks
37.2 IP, 6.21 ERA, .275 BAA, 39/15 K/BB (7 GS)
Although Skaggs’ stuff and command has varied between starts, he’s also been victimized by the hitter-friendly Pacific Coast League ballparks and environment.
Chris Heston, RHP, San Francisco Giants
43.2 IP, 6.18 ERA, .344 BAA, 42/15 K/BB (8 GS)
Like Skaggs, Heston has been hit around in the PCL with 62 hits allowed in 43.2 innings. The good news is that he’s maintained favorable strikeout (8.66 K/9) and walk (3.09 BB/9) rates.