Washington Nationals closer Tyler Clippard reacts as a Houston Astros' Brett Wallace fly ball to deep center field is caught to end the game with a 3-2 win in 12 innings of a baseball game Tuesday, Aug. 7, 2012, in Houston. (AP Photo/Pat Sullivan)

Photo by: Pat Sullivan

Washington Nationals closer Tyler Clippard reacts as a Houston Astros' Brett Wallace fly ball to deep center field is caught to end the game with a 3-2 win in 12 innings of a baseball game Tuesday, Aug. 7, 2012, in Houston. (AP Photo/Pat Sullivan)