Bush was converted from shortstop to pitcher midway through the 2007 season, and the transition has been ongoing since then, including having to overcome Tommy John surgery to his right elbow.
In some respects, the transition to pitching has come naturally to Bush.
2010 Spring Training - null
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"I pitched just as much as I played a position [growing up]," Bush said. "It just worked out that I could play a position, play shortstop, and if that didn't work out, I had a chance to be a pitcher. So it kind of helped things with me, as far as getting drafted."
Nevertheless, moving back to the mound at such a high level of baseball, and after such a long period of time, presented quite a challenge to the native of San Diego.
"I had to ask a lot of questions," Bush said. "And more than anything, just to be able to get out there and work on some things. I had to go through Tommy John surgery, so I had to realize I can't throw the ball at 100 percent all the time. When I do that, the ball is more flat and stays up more."
Primarily, Bush said, he has been working on keeping the ball down and on the location of his pitches.
"I understand that, no matter how hard I throw, depending on where it's at is going to be the best thing for me," Bush said. "So I'm mostly just working on hitting corners, mixing it up a little bit."
Bush said going through the surgery helped out his mechanics and that he is comfortable on the mound. The Rays feel that the bullpen is his ultimate destination, and Bush agrees with that assessment.
"I don't see myself working up too big of a pitch count, especially with my injuries," Bush said. "I just think I could help the team out most being a bullpen guy. The team's really deep with starting pitchers. That's not a need. And I think with my stuff, it would be best to come out of the bullpen."