Houston Astros pitcher Dallas Keuchel sits in the dugout after giving up three runs in the first inning of a baseball game against the Pittsburgh Pirates, Thursday, July 26, 2012, in Houston. (AP Photo/Pat Sullivan)

Pittsburgh Pirates' Casey McGehee (14) makes the catch and the out on Houston Astros' Marwin Gonzalez, left, in the fourth inning of a baseball game, Thursday, July 26, 2012, in Houston. (AP Photo/Pat Sullivan)

Pittsburgh Pirates' Starling Marte rounds the bases on a solo home run on the first pitch of the first inning in his first appearance with the Pirates in a baseball game, Thursday, July 26, 2012, against the Houston Astros in Houston. (AP Photo/Pat Sullivan)

Pittsburgh Pirates' Clint Barmes, right, is congratulated by Rod Barajas after hitting a two-run home run against the Houston Astros in the second inning of a baseball game, Thursday, July 26, 2012, in Houston. (AP Photo/Pat Sullivan)

Houston Astros' Carlos Corporan (22) rounds the bases in front of Pittsburgh Pirates' Clint Barmes (12) on a solo home run in the eighth inning of a baseball game, Thursday, July 26, 2012, in Houston. (AP Photo/Pat Sullivan)

Pittsburgh Pirates' A.J. Burnett delivers a pitch against the Houston Astros in the second inning of a baseball game ,Thursday, July 26, 2012, in Houston. (AP Photo/Pat Sullivan)