http://sports.espn.go.com/mlb/news/story?id=1849382 He is having problems with his rotator cuff. That can never be good for a guy who throws 100 mph.
Its actually the second time this year he's been on the DL. But shhhh..... you don't want to let this fact get out. The people who lamented this trade, and accuse Drayton of being cheap all the time, would not be able to use Wagner's injuries for their argument's cause. Frankly... Wagner hasn't been healthy since spring training.