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AP Pittsburgh Pirates' Neil Walker (18) and pitcher Jeff Kartens celebrate their 4-0 win over the Houston Astros in a baseball game, Friday, July 15, 201 - Photo

Pittsburgh Pirates' Neil Walker (18) and pitcher Jeff Kartens celebrate their 4-0 win over the Houston Astros in a baseball game, Friday, July 15, 201

Saturday July 16, 03:44 AM
Pittsburgh Pirates' Neil Walker (18) and pitcher Jeff Kartens celebrate their 4-0 win over the Houston Astros in a baseball game, Friday, July 15, 2011, in Houston. Karstens pitched a complete game for his eighth win of the season. (AP Photo/Pat Sullivan)