Arizona Diamondbacks' Trevor Bauer, making his home pitching debut, warms up prior to a baseball game against the San Diego Padres, Tuesday, July 3, 2012, in Phoenix. (AP Photo/Ross D. Franklin)

Arizona Diamondbacks' Trevor Bauer, left, walks off the mound after striking out the side, including San Diego Padres' Chase Headley, right, during the first inning of a baseball game Tuesday, July 3, 2012, in Phoenix. (AP Photo/Ross D. Franklin)

Arizona Diamondbacks' Trevor Bauer fields a ground ball hit by San Diego Padres' Carlos Quentin before tossing the ball to first base for the out during the second inning of a baseball game Tuesday, July 3, 2012, in Phoenix. (AP Photo/Ross D. Franklin)

Arizona Diamondbacks' Trevor Bauer throws against the San Diego Padres during the second inning of a baseball game Tuesday, July 3, 2012, in Phoenix. (AP Photo/Ross D. Franklin)

San Diego Padres' Andrew Cashner, middle, takes his hat off as he explains his injury to manager Bud Black, right, catcher Yasmani Grandal, left, and umpire Gary Cederstorm, front, during the third inning of a baseball game Tuesday, July 3, 2012, in Phoenix. After throwing one warm-up pitch in the inning, Cashner had to leave the game due to injury. (AP Photo/Ross D. Franklin)

Arizona Diamondbacks' Jason Kubel celebrates his grand slam against the San Diego Padres with teammate Aaron Hill, right, as Padres' Yasmani Grandal, left, looks away during the fifth inning in an MLB baseball game Tuesday, July 3, 2012, in Phoenix.(AP Photo/Ross D. Franklin)

Arizona Diamondbacks' Trevor Bauer, left, watches the action against the San Diego Padres with teammate Wade Miley after Bauer was pulled from the game during the fourth inning in an MLB baseball game Tuesday, July 3, 2012, in Phoenix.(AP Photo/Ross D. Franklin)

San Diego Padres' Yonder Alonso, middle, smiles as he celebrates his two-run home run against the Arizona Diamondbacks with Cameron Maybin (24) and Yasmani Grandal (12) during the second inning of a baseball game Tuesday, July 3, 2012, in Phoenix. (AP Photo/Ross D. Franklin)

San Diego Padres' Andrew Cashner throws to an Arizona Diamondbacks batter during the first inning of a baseball game Tuesday, July 3, 2012, in Phoenix. (AP Photo/Ross D. Franklin)

Arizona Diamondbacks' Trevor Bauer throws to a San Diego Padres batter during the first inning of a baseball game Tuesday, July 3, 2012, in Phoenix. (AP Photo/Ross D. Franklin)

Arizona Diamondbacks' Trevor Bauer walks to the bullpen to warm up to the applause of fans prior to a baseball game against the San Diego Padres, Tuesday, July 3, 2012, in Phoenix. (AP Photo/Ross D. Franklin)

San Diego Padres' Cameron Maybin slides and scores a run in front of Arizona Diamondbacks' Miguel Montero during the fourth inning in an MLB baseball game Tuesday, July 3, 2012, in Phoenix.(AP Photo/Ross D. Franklin)

San Diego Padres' Jesus Guzman smiles as he gets a high-five from teammate Will Venable (25) after Guzman hit a pinch hit home run against the Arizona Diamondbacks during the eighth inning in an MLB baseball game Tuesday, July 3, 2012, in Phoenix.(AP Photo/Ross D. Franklin)