New York Mets pitcher Collin McHugh delivers to the Washington Nationals in the first inning of a baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Gio Gonzalez pitches to the New York Mets in the first inning of a baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Ian Desmond, top, throws to first base after forcing New York Mets' Ruben Tejada out at second base to complete the double play in the first inning of a baseball game at Citi Field in New York, Monday, Sept. 10, 2012. Ronny Cedeno was out at first. (AP Photo/Henny Ray Abrams)

Washington Nationals' Kurt Suzuki, left, is congratulated by teammate Gio Gonzalez after hitting a solo home run against the New York Mets during the third inning of the baseball game in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

New York Mets catcher Kelly Shoppach misplays a foul ball hit by the Washington Nationals' Kurt Suzuki in the third inning of the baseball game in New York, Monday, Sept. 10, 2012. Suzuki hit a home run on the next pitch. (AP Photo/Henny Ray Abrams)

Washington Nationals' Ryan Zimmerman celebrates in the dugout after he hit a two-run home run in the third inning of the baseball game against the New York Mets, Monday, Sept. 10, 2012, in New York. (AP Photo/Henny Ray Abrams)

Washington Nationals' Ryan Zimmerman, left, is met by teammate Bryce Harper who he drove in with a two-run home run in the third inning of the baseball game against the New York Mets at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Ryan Zimmerman hits a two-run home run in the third inning of a baseball game against the New York Mets in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Ian Desmond hits a two-run home run off the New York Mets in the fourth inning of the baseball game in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Ian Desmond, left, and Michael Morse return to the dugout after Desmond drove in Morse with a two-run home run in the fourth inning of the baseball game against the New York Mets in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals center fielder Bryce Harper can't reach a double hit by the New York Mets' Andres Torres in the fourth inning of the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Gio Gonzalez fields a ground ball hit by the New York Mets' David Wright who he then threw out in the fifth inning of the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Gio González, de los Nacionales de Washington, lanza contra los Mets de Nueva York, en la primera entrada del juego del lunes 10 de septiembre de 2012, en Nueva York. (Foto AP/Henny Ray Abrams)

Washington Nationals' Kurt Suzuki swings against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Kurt Suzuki against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Bryce Harper in action against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Gio Gonzalez throws a pitch against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

New York Mets Ramon Ramirez throws a pitch against the Washington Nationals in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Ian Desmond in action against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Bryce Harper in action against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Jason Werth catch the ball against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Jason Werth in action against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Ian Desmond swings against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

New York Mets Ronny Cedeno in action against the Washington Nationals in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Gio Gonzalez pitches to the New York Mets in the first inning of the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

New York Mets Collin McHugh in action against the Washington Nationals in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Kurt Suzuki hits against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

New York Mets' David Wright in action against the Washington Nationals in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Ryan Zimmerman in action against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Ryan Zimmerman in action against the New York Mets in the baseball game at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)

Washington Nationals' Ryan Zimmerman is seen in the dug out during the baseball game against the New York Mets at Citi Field in New York, Monday, Sept. 10, 2012. (AP Photo/Henny Ray Abrams)