Tampa Bay Rays pitcher James Shields delivers to Baltimore Orioles' Brian Roberts during the first inning of a baseball game Wednesday, Sept. 30, 2009, in St. Petersburg, Fla. (AP Photo/Chris O'Meara)

Texas Rangers' Chris Davis runs home after hitting a solo home run off of Tampa Bay Rays starting pitcher James Shields in the second inning of a baseball game, Friday Sept. 25, 2009, in Arlington, Texas. (AP Photo/Tony Gutierrez ...

Tampa Bay Rays starting pitcher James Shields throws in the first inning of their MLB American League baseball game against the Toronto Blue Jays in St. Petersburg, Florida September 18, 2009. REUTERS/Michael C. Weimar (UNITED STATES SPORT BASEBALL)

Detroit Tigers' Carlos Guillen races to third base after hitting a two-run triple off Tampa Bay Rays starter James Shields during the third inning of a baseball game Saturday, Sept. 5, 2009, in St. Petersburg, Fla. (AP Photo/Steve Nesius ...