SAN FRANCISCO, CA - JULY 14: Hector Sanchez #29 and Pablo Sandoval #48 of the San Francisco Giants celebrate after Sanchez hit a walk-off RBI single to score Sandoval in the bottom of the twelfth inning to defeat the Houston Astros 3 to 2 at AT&T Park on July 14, 2012 in San Francisco, California. (Photo by Thearon W. Henderson/Getty Images)