Washington Nationals manager Davey Johnson watches from the dugout during the first inning of a baseball game against the San Francisco Giants in San Francisco, Tuesday, May 21, 2013. (AP Photo/Jeff Chiu)
Washington Nationals manager Davey Johnson watches from the dugout during the first inning of a baseball game against the San Francisco Giants in San Francisco, Tuesday, May 21, 2013. (AP Photo/Jeff Chiu)
Washington Nationals' Rafael Soriano celebrates after the defeat of the San Francisco Giants in a baseball game on Wednesday, May 22, 2013, in San Francisco. (AP Photo/Ben Margot)
Washington Nationals' Rafael Soriano celebrates after the defeat of the San Francisco Giants in a baseball game on Wednesday, May 22, 2013, in San Francisco. (AP Photo/Ben Margot)
Washington Nationals' Bryce Harper celebrates after scoring against the San Francisco Giants in the 10th inning of a baseball game Wednesday, May 22, 2013, in San Francisco. Harper scored on a hit by Nationals' Ian Desmond. (AP Photo/Ben Margot)
Washington Nationals' Bryce Harper celebrates after scoring against the San Francisco Giants in the 10th inning of a baseball game Wednesday, May 22, 2013, in San Francisco. Harper scored on a hit by Nationals' Ian Desmond. (AP Photo/Ben Margot)
San Francisco Giants' Gregor Blanco celebrates after hitting a triple off of Washington Nationals pitcher Rafael Soriano to score Andres Torres during the ninth inning of a baseball game in San Francisco, Tuesday, May 21, 2013. (AP Photo/Jeff Chiu)
Zach Duke, second from left, lasted 3 1/3 innings in his spot start as the Nationals were pounded by the San Francisco Giants in an 8-0 loss.
Zach Duke, second from left, lasted 3 1/3 innings in his spot start as the Nationals were pounded by the San Francisco Giants in an 8-0 loss.
