The Nationals beat Atlanta starter Lance Cormier (2-6) for the second time in less than a week, keeping the Braves 8.5 games behind the NL East leading New York Mets.
Astros 9, Pirates 7
At Houston, Ty Wigginton homered twice and Carlos Lee drove in three runs during a seven-run fourth inning as Houston rallied from five down to beat Pittsburgh.
Juan Gutierrez (1-1) relieved in the fourth inning and went two innings without allowing a hit to earn the win. Brad Lidge pitched the ninth for his 15th save in 21 tries.
Wandy Rodriguez lasted only three innings and allowed five runs, five hits and three walks, striking out five.
Matt Morris fell to 2-3 in nine starts with the Pirates, who acquired him on July 31.
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