San Diego Padres' Chase Headley points skyward as he heads home after hitting a home run against the Pittsburgh Pirates in the first inning of the baseball game on Saturday, Aug. 11, 2012, in Pittsburgh. (AP Photo/Keith Srakocic)

San Diego Padres' John Baker reacts as he heads back to the dugout after striking out in the second inning of a baseball game agsinst the Pittsburgh Pirates, Saturday, Aug. 11, 2012, in Pittsburgh. (AP Photo/Keith Srakocic)

Pittsburgh Pirates starting pitcher A.J. Burnett throws against the San Diego Padres in the first inning of a baseball game on Saturday, Aug. 11, 2012, in Pittsburgh. (AP Photo/Keith Srakocic)

San Diego Padres starting pitcher Jason Marquis throws against the Pittsburgh Pirates in the first inning of the baseball game on Saturday, Aug. 11, 2012, in Pittsburgh. (AP Photo/Keith Srakocic)

San Diego Padres' Chase Headley, left, runs past Pittsburgh Pirates starting pitcher A.J. Burnett after hitting a home run off him in the first inning of the baseball game on Saturday, Aug. 11, 2012, in Pittsburgh. (AP Photo/Keith Srakocic)

San Diego Padres starting pitcher Jason Marquis, right, is congratulated by catcher John Baker after getting the last out in the ninth inning of the baseball game against the Pittsburgh Pirates, Saturday, Aug. 11, 2012, in Pittsburgh. Marquis pitched a complete game shutout, giving up only two hits in the Padres' 5-0 win. (AP Photo/Keith Srakocic)

San Diego Padres starting pitcher Jason Marquis throws a warmup pitch before the seventh inning of a baseball game against the Pittsburgh Pirates, Saturday, Aug. 11, 2012, in Pittsburgh. Marquis pitched the entire game and allowed only two hits as he shut out the Pirates 5-0. (AP Photo/Keith Srakocic)

San Diego Padres' Will Venable, right, is greeted by teammate Cameron Maybin after hitting a home run against the Pittsburgh Pirates in the sixth inning of the baseball game on Saturday, Aug. 11, 2012, in Pittsburgh. The Padres won 5-0. (AP Photo/Keith Srakocic)

San Diego Padres second baseman Alexi Amarista, left, chases after a ground ball by Pittsburgh Pirates' Travis Snider hit between him and Padres shortstop Everth Cabrera, right, in the seventh inning for the Pirates' first hit of the baseball game on Saturday, Aug. 11, 2012, in Pittsburgh. The Padres won 5-0.(AP Photo/Keith Srakocic)

San Diego Padres' Jason Marquis, left, is greeted by teammate Carlos Quentin, right, after scoring from third after Pittsburgh Pirates starting pitcher A.J. Burnett walked Chase Headley with the bases loaded in the sixth inning of a baseball game on Saturday, Aug. 11, 2012, in Pittsburgh. The Padres won 5-0. (AP Photo/Keith Srakocic)