Washington Nationals pitcher Lucas Giolito sits in the dugout before the Nationals' baseball game with the New York Mets on Tuesday, July 17, 2012, in Washington. Giolito was the team's top pick in this year's draft. (AP Photo/Alex Brandon)

Washington Nationals general manager Mike Rizzo, left, sits with pitcher Lucas Giolito, center, during a media availability in a dugout before the Nationals' baseball game against the New York Mets on Tuesday, July 17, 2012, in Washington. Giolito was the team's top pick in this year's draft. (AP Photo/Alex Brandon)

Washington Nationals shortstop Ian Desmond, right, talks with members of the Anderson Monarchs Barnstorming Tour from Philadelphia, before the Nationals' baseball game with the New York Mets on Tuesday, July 17, 2012, in Washington. (AP Photo/Alex Brandon)

New York Mets' Jason Bay, right, smiles with manager Terry Collins, left, before a baseball game against the Washington Nationals on Tuesday, July 17, 2012, in Washington. (AP Photo/Alex Brandon)

New York Mets starting pitcher Jon Niese throws during the first inning of a baseball game against the Washington Nationals on Tuesday, July 17, 2012, in Washington. (AP Photo/Alex Brandon)

lyWashington Nationals' Bryce Harper (34) slides safe into third on an RBI triple as New York Mets third baseman David Wright can't handle the throw during the 10th inning of a baseball game Tuesday, July 17, 2012, in Washington. The Nationals won 5-4 in 10 innings. (AP Photo/Alex Brandon)

New York Mets relief pitcher Pedro Beato looks at the ball before throwing during the 10th inning of a baseball game against the Washington Nationals on Tuesday, July 17, 2012, in Washington. Beato later threw a wild pitch, allowing Ryan Zimmerman to score the winning run in Washington's 5-4 victory. (AP Photo/Alex Brandon)

New York Mets' Jordany Valdespin (1) celebrates with Scott Hairston (12) after his three-run home run during the ninth inning of a baseball game against the Washington Nationals on Tuesday, July 17, 2012, in Washington. The Nationals won 5-4 in 10 innings. (AP Photo/Alex Brandon)

New York Mets' Jordany Valdespin looks toward teammates in the dugout as he heads home on a three-run home run during the ninth inning of a baseball game with the Washington Nationals on Tuesday, July 17, 2012, in Washington. The Nationals won 5-4 in 10 innings. (AP Photo/Alex Brandon)

Washington Nationals starting pitcher Ross Detwiler throws during the sixth inning of a baseball game against the New York Mets on Tuesday, July 17, 2012, in Washington. The Nationals won 5-4 in 10 innings. (AP Photo/Alex Brandon)

Washington Nationals' Ryan Zimmerman (11) celebrates with Danny Espinosa (8) after Zimmerman scored the winning run on a wild pitch from New York Mets relief pitcher Pedro Beato during the 10th inning of a baseball game Tuesday, July 17, 2012, in Washington. The Nationals won 5-4. (AP Photo/Alex Brandon)

Washington Nationals starting pitcher Ross Detwiler throws during the first inning of a baseball game with the New York Mets on Tuesday, July 17, 2012, in Washington. (AP Photo/Alex Brandon)

New York Mets first baseman Ike Davis catches a fly ball hit by Washington Nationals Jesus Flores during the third inning of a baseball game Tuesday, July 17, 2012, in Washington. (AP Photo/Alex Brandon)