Washington Nationals v Arizona Diamondbacks

PHOENIX – AUGUST 04: Adam Dunn #44 of the Washington Nationals prepares to bat during the Major League Baseball game against the Arizona Diamondbacks at Chase Field on August 4, 2010 in Phoenix, Arizona. The Nationals defeated the Diamondbacks 7-2. (Photo by Christian Petersen/Getty Images) *** Local Caption *** Adam Dunn