Drafted by the Pittsburgh Pirates in the 11th round of the 2001 amateur draft, but did not sign.
Drafted by the Arizona Diamondbacks in the 1st round (15th pick) of the 2004 amateur draft. Signed June 4, 2005.
Re-signed with Arizona to a two-year deal worth $15.75 million; Jan. 18, 2011
Traded to Oakland for Sean Jmieson; Aug. 20, 2012
Signed with Boston to a one-year deal worth $9.5 million; Dec. 26, 2012
Re-signed with Boston to a one-year deal worth $10 million; May 20, 2014