San Francisco Giants relief pitcher Santiago Casilla, right, cannot field a ground ball as Washington Nationals' Tyler Moore runs to third base during the ninth inning of a baseball game, Thursday, July 5, 2012, in Washington. The Nationals won 6-5. (AP Photo/Evan Vucci)

Photo by: Evan Vucci

San Francisco Giants relief pitcher Santiago Casilla, right, cannot field a ground ball as Washington Nationals' Tyler Moore runs to third base during the ninth inning of a baseball game, Thursday, July 5, 2012, in Washington. The Nationals won 6-5. (AP Photo/Evan Vucci)