SAN FRANCISCO, CA - MAY 21: Pablo Sandoval #48 of the San Francisco Giants smiles on the field after hitting a two run walk-off home run against the Washington Nationals during the tenth inning at AT&T Park on May 21, 2013 in San Francisco, California. The San Francisco Giants defeated the Washington Nationals 4-2 in 10 innings. (Photo by Jason O. Watson/Getty Images) *** Local Caption *** Pablo Sandoval