Help Support FanGraphs

Jake Diekman
Birthdate: 1/21/1987 (30 y, 2 m, 3 d)     Bats/Throws: L/L     Height/Weight: 6-4/205     Position: P
Drafted: 2007 June Amateur Draft - Round: 30, Pick: 19, Overall: 923, Team: Philadelphia Phillies
Contract: $2.6M / 1 Years (2017)
RotoWire News: Diekman (abdomen) expects to be pitching by the All-Star break, Stefan Stevenson of the Fort Worth Star-Telegram reports. (2/15/2017)
Injury: Abdomen, 60-Day DL
Profiles:  2014  2015  2016  2017  (Click Year to Expand / Close)
Profile: Diekman's first full season in Texas went... OK. The hard-throwing lefty put up a 3.40 ERA, slightly better than his career average of 3.56. There were some concerns if you peel back the onion a bit, though. His 95.1 mph fastball velocity was the lowest registered since 2012. While his strikeout and walk rates remained quite stable, his swinging strike rate ticked down a touch to 11%. Both his Hard% and line drive rate jumped about 5% each. Of some interest was that the lefty put up reverse splits in 2016, opposite of his career marks which show him significantly more effective against lefties. While his success against righties last season may have been a fluke, it merits watching since hard-throwing lefties who can also get righties out sometimes can wiggle their way into save situations if injuries or ineffectiveness strike their fellow bullpen members. Unfortunately, this won't really mean anything until the summer as Diekman underwent surgery for ulcerative colitis and will be out until at least the All-Star break. He seems likely to be a late-inning weapon from the left side, giving him some value in holds leagues, particularly if owners could use strikeouts while sacrificing a bit of WHIP. (Colin Zarzycki)

The Quick Opinion: Diekman's 2016 wasn't too different from his previous seasons, but dips in velocity and swinging strike rate are a cause for mild concern. He did improve versus right-handed hitters in 2016; if he could maintain those gains and trim the walks a bit, he could find himself in line for saves if ineffectiveness or injury strike Texas' bullpen late in the season as he'll be out until the summer after colon surgery. 

If you would like to make a projection for this player, please Log In or Register.