Aug 27, 2011; San Francisco CA, USA; San Francisco Giants left fielder Mark DeRosa (7) steals second base ahead of the ball against Houston Astros shortstop Clint Barmes (12) during the tenth inning at AT&T Park. The San Francisco Giants defeated the Houston Astros 2-1 in 10 innings. Mandatory Credit: Kelley L Cox-US PRESSWIRE