This is my issue, the first time batters see him, he does fairly well, but he needs to use his breaking stuff to get them out. Second time around, the batters tee off on him, they know the fastball doesn't have the zip it used to and he can't rely on it as much and they're sitting on his breaking stuff. The control is there, his walks are at a very low number right now. With that being said, I think he could be effective in the bullpen for those reasons. First off, he throws strikes, which is something you want out of the pen. Second, he's getting guys out the first time he sees them. If he was in the pen, guys wouldn't have to see him more then once.