Washington Nationals' Adam LaRoche runs to first base after hitting a ground ball that scored Bryce Harper in the ninth inning of a baseball game against the San Francisco Giants to win 6-5, Thursday, July 5, 2012, in Washington. (AP Photo/Evan Vucci)

Photo by: Evan Vucci

Washington Nationals' Adam LaRoche runs to first base after hitting a ground ball that scored Bryce Harper in the ninth inning of a baseball game against the San Francisco Giants to win 6-5, Thursday, July 5, 2012, in Washington. (AP Photo/Evan Vucci)