Josh Zeid

Offseason Lasik surgery helped Zeid -- who is astigmatic -- feel more comfortable on the mound, but the right-hander still struggled to the tune of a 6.97 ERA and 1.79 WHIP in 23 relief appearances for the Astros. The cause of his struggles may have been due to a condition called sesamoiditis, which caused pain and inflammation at the bottom of his feet and subsequently affected his pitching mechanics. The right-hander actually had two procedures done to correct the issue; season-ending surgery on his right foot in late July and the same treatment on his left foot in October. Zeid is expected to be ready for spring training, however, during which he'll compete for a spot in the Tigers' Opening Day bullpen.