Jake Peavy considers himself a No. 1 starter regardless of when he pitches in San Francisco's rotation. All he cares about is delivering every fifth day, especially as September approaches with the World Series champion Giants in another tight playoff chase. Buster Posey followed Brandon Belt's leadoff triple in the sixth inning with a go-ahead double, Peavy won for the second time in six starts, and the Giants beat the Cubs 4-2 on Wednesday night to stop Chicago's six-game winning streak. More...