PT TOMORROW: NL West—Delgado staking claim to rotation spot

Arizona Diamondbacks

The Diamondbacks rotation continues to thrive, sitting with the MLB’s 3rd best staff ERA (3.55) as of June 7, a number that they hope will improve with the expected return of Taijuan Walker (RHP, ARI) in the coming days. 

Filling in and performing admirably in Walker’s absence has been Randall Delgado (RHP, ARI). The 27-year-old was once a prospect of some acclaim (#52 on the 2012 HQ100), moving to the bullpen after a few unsuccessful stints in the rotation. Over the course of his career, he’s made 51 starts, posting a 4.19 ERA across those 274.7 IP. As noted in the Baseball Forecaster, however, his command against LHB has been in steady decline—with Cmd ratios of 1.9 (2014), 1.6 (2015) and 1.2 (2016) in recent...

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