Washington Nationals starting pitcher Stephen Strasburg reacts after giving up the game-tying two-run home run to Chicago Cubs' Donnie Murphy, background, during the ninth inning of a baseball game Thursday, Aug. 22, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Photo by: Charles Rex Arbogast

Washington Nationals starting pitcher Stephen Strasburg reacts after giving up the game-tying two-run home run to Chicago Cubs' Donnie Murphy, background, during the ninth inning of a baseball game Thursday, Aug. 22, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)