Washington Nationals starting pitcher John Lannan delivers in the first inning during the first baseball game of a doubleheader against the Miami Marlins, Friday, Aug. 3, 2012, in Washington. (AP Photo/Carolyn Kaster)

Washington Nationals starting pitcher John Lannan delivers in the second inning during the first baseball game of a doubleheader against the Miami Marlins, Friday, Aug. 3, 2012, in Washington. (AP Photo/Carolyn Kaster)

Miami Marlins starting pitcher Brad Hand winds up during the first inning of the the first baseball game of a doubleheader against the Washington Nationals, Friday, Aug. 3, 2012, in Washington. (AP Photo/Carolyn Kaster)

Washington Nationals relief pitcher Tyler Clippard delivers in the ninth inning during the first baseball game of a doubleheader against the Miami Marlins, Friday, Aug. 3, 2012, in Washington. The Nationals won 7-4. (AP Photo/Carolyn Kaster)

Washington Nationals relief pitcher Tyler Clippard (36) celebrates with first baseman Adam LaRoche (25) after LaRoche got the final out, unassisted, on a ground ball to first off the bat of Miami Marlins' Jose Reyes in the top of the ninth inning during the first baseball game of a doubleheader on Friday, Aug. 3, 2012, in Washington. The Nationals won 7-4. (AP Photo/Carolyn Kaster)

Washington Nationals second baseman Stephen Lombardozzi, right,throws to first as Miami Marlins Greg Dobbs (29) is out at second during the ninth inning of the first baseball game of a doubleheader on Friday, Aug. 3, 2012, in Washington. The Nationals won 7-4. (AP Photo/Carolyn Kaster)

Miami Marlins manager Ozzie Guillen waits in the dugout before the first baseball game of a doubleheader against the Washington Nationals, Friday, Aug. 3, 2012, in Washington. (AP Photo/Carolyn Kaster)

Washington Nationals manager Davey Johnson, center, puts relief pitcher Tyler Clippard (36) in during the ninth inning as Nationals catcher Jesus Flores (26) stands by during the first baseball game of a doubleheader against the Miami Marlins, Friday, Aug. 3, 2012, in Washington. The Nationals won 7-4. (AP Photo/Carolyn Kaster)

Washington Nationals' Adam LaRoche runs to first after hitting a single and driving in teammate Ryan Zimmerman during in the first inning of the first baseball game of a doubleheader against the Miami Marlins, Friday, Aug. 3, 2012, in Washington. The Nationals won 7-4. (AP Photo/Carolyn Kaster)

Miami Marlins center fielder Gorkys Hernandez dives for and misses a ball hit by Washington Nationals' Stephen Lombardozzi who hit a triple in the first inning during the second baseball game of a doubleheader, Friday, Aug. 3, 2012, in Washington. (AP Photo/Carolyn Kaster)

Washington Nationals starting pitcher Gio Gonzalez delivers in the third inning during the second baseball game of a doubleheader against the Miami Marlins, Friday, Aug. 3, 2012, in Washington. (AP Photo/Carolyn Kaster)

Miami Marlins starting pitcher Josh Johnson delivers in the first inning during the second baseball game of a doubleheader against the Washington Nationals, Friday, Aug. 3, 2012, in Washington. (AP Photo/Carolyn Kaster)

An injured Miami Marlins center fielder Emilio Bonifacio, center, is helped from the field by a trainer and teammate Jose Reyes in the ninth inning during the second baseball game of a double header against the Washington Nationals, Friday, Aug. 3, 2012, in Washington. The Marlins won 5-2. (AP Photo/Carolyn Kaster)

Miami Marlins manager Ozzie Guillen heads to the mound as an injured Marlins' Emilio Bonifacio, in the background at right, is helped from the field in the ninth inning during the second baseball game of a doubleheader against the Washington Nationals, Friday, Aug. 3, 2012, in Washington. The Marlins won 5-2. (AP Photo/Carolyn Kaster)

Washington Nationals starting pitcher Gio Gonzalez sits in the dugout in the ninth inning during the second baseball game of a doubleheader against the Miami Marlins, Friday, Aug. 3, 2012, in Washington. The Marlins won 5-2. (AP Photo/Carolyn Kaster)

Miami Marlins' Donovan Solano slides into home plate to score in the sixth inning off a single hit by teammate Carlos Lee during the second baseball game of a doubleheader against the Washington Nationals, Friday, Aug. 3, 2012, in Washington. The Marlins won 5-2. (AP Photo/Carolyn Kaster)

Miami Marlins' Jose Reyes runs to home plate to score in the eighth inning during the second baseball game of a doubleheader against the Washington Nationals, Friday, Aug. 3, 2012, in Washington. The Marlins won 5-2. (AP Photo/Carolyn Kaster)

FILE - In this Aug. 3, 2012, file photo, Washington Nationals starting pitcher John Lannan delivers in the first inning during the first baseball game of a doubleheader against the Miami Marlins in Washington. The Philadelphia Phillies added a pair of pitchers, agreeing to a $12 million, two-year contract with reliever Mike Adams and a one-year deal with starter John Lannan. (AP Photo/Carolyn Kaster, File)