Washington Nationals pitcher Jordan Zimmermann works against the San Francisco Giants in the first inning of a baseball game Tuesday, Aug. 14, 2012, in San Francisco. (AP Photo/Ben Margot)

Photo by: Ben Margot

Washington Nationals pitcher Jordan Zimmermann works against the San Francisco Giants in the first inning of a baseball game Tuesday, Aug. 14, 2012, in San Francisco. (AP Photo/Ben Margot)