
Washington Nationals starting pitcher Gio Gonzalez reacts after he gave up a hit to Chicago Cubs' Dioner Navarro (30) during the sixth inning of a baseball game, Sunday, May 12, 2013, in Washington. The Cubs won 2-1. (AP Photo/Nick Wass)

Washington Nationals' Kurt Suzuki, right, continues to argue with home plate umpire John Tumpane, left, after being ejected for arguing after being called out on strikes during the ninth inning of a baseball game against the Chicago Cubs, Sunday, May 12, 2013, in Washington. The Cubs won 2-1. (AP Photo/Nick Wass)

Washington Nationals starting pitcher Gio Gonzalez reacts after he gave up a hit to Chicago Cubs' Dioner Navarro (30) during the sixth inning of a baseball game, Sunday, May 12, 2013, in Washington. The Cubs won 2-1. (AP Photo/Nick Wass)

**FILE** The Teddy Roosevelt mascot wins the President's race during the fourth inning of a baseball game between the Washington Nationals and the Chicago Cubs, Sunday, May 12, 2013, in Washington. The Cubs won 2-1. (AP Photo/Nick Wass)

Stephen Strasburg takes a moment to use the rosin bag during a disastrous fifth inning in which an error by Ryan Zimmerman on the presumed third out became a debacle for the right-hander in the Nationals' loss to the Cubs. (Associated Press photo)

Stephen Strasburg takes a moment to use the rosin bag during a disastrous fifth inning in which an error by Ryan Zimmerman on the presumed third out became a debacle for the right-hander in the Nationals' loss to the Cubs. (Associated Press photo)

The Nationals celebrate after Ian Desmond hit his fifth home run of the season in the team's 7-3 victory over the Cubs. (Associated Press photo).

The Nationals celebrate after Ian Desmond hit his fifth home run of the season in the team's 7-3 victory over the Cubs. (Associated Press photo).

Chicago Cubs Chairman Tom Ricketts speaks at the City Club of Chicago on May 1, 2013. Ricketts says the video board he wants to build Wrigley Field is needed to "generate revenue" and he raised the prospect of moving out of the ballpark entirely if he is blocked from doing so. (Associated Press)