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PHILADELPHIA - SEPTEMBER 21: Starting pitcher John Lannan #31 of the Washington Nationals throws a pitch during a game against the Philadelphia Phillies at Citizens Bank Park on September 21, 2011 in Philadelphia, Pennsylvania.

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Washington Nationals' John Lannan pitches during the first inning of a baseball game against the Philadelphia Phillies, Wednesday, Sept. 21, 2011, in Philadelphia.

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Washington Nationals starting pitcher John Lannan delivers a pitch against the Florida Marlins during the third inning of a baseball game, Friday, Sept. 16, 2011, in Washington.

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WASHINGTON, DC - SEPTEMBER 10: John Lannan #31 of the Washington Nationals is removed from the game in the third inning by manager Davey Johnson #5 against the Houston Astros at Nationals Park on September 10, 2011 in Washington, DC.

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Washington Nationals starting pitcher John Lannan (31) is pulled from the game by manager Davey Johnson, right, during the third inning of a baseball game against the Houston Astros, Saturday, Sept. 10, 2011, in Washington.

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Washington Nationals starting pitcher John Lannan walks to the dugout after he was pulled from the baseball game against the Houston Astros during the third inning Saturday, Sept. 10, 2011, in Washington.

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Washington Nationals starting pitcher John Lannan delivers against the Los Angeles Dodgers during the third inning of a baseball game, Monday, Sept. 5, 2011, in Washington.

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Washington Nationals starting pitcher John Lannan (31) works in the first inning of a baseball game against the Atlanta Braves in Atlanta Wednesday, Aug. 31, 2011.

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Washington Nationals starting pitcher John Lannan (31) throws against the Arizona Diamondbacks during the first inning of a baseball game, Thursday, Aug. 25, 2011 in Washington.

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WASHINGTON, DC - AUGUST 20: John Lannan #31 of the Washington Nationals is taken out of the game by manager Davey Johnson #5 in the sixth inning against the Philadelphia Phillies at Nationals Park on August 20, 2011 in Washington, DC.

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Washington Nationals starting pitcher John Lannan (31) walks to the dugout after he was pulled from the game against the Philadelphia Phillies during the sixth inning of a baseball game, Saturday, Aug. 20, 2011, in Washington. The Phillies won 5-0.

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Washington Nationals' John Lannan (31) is forced out at second as Philadelphia Phillies second baseman Chase Utley, top, throws to first but cannot get out Ian Desmond during the fifth inning of a baseball game, Saturday, Aug. 20, 2011, in Washington. The Phillies won 5-0.

AP Photo 6 months ago

Washington Nationals starting pitcher John Lannan delivers a pitch against the Philadelphia Phillies during the third inning of a baseball game, Saturday, Aug. 20, 2011, in Washington.

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Washington Nationals starting pitcher John Lannan throws in the second inning of a baseball game with the Philadelphia Phillies, Saturday, Aug. 13, 2011, in Philadelphia.

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DENVER, CO - AUGUST 07: Starting pitcher John Lannan #31 of the Washington Nationals delivers against the Colorado Rockies at Coors Field on August 7, 2011 in Denver, Colorado.

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Washington Nationals starting pitcher John Lannan throws to a Colorado Rockies batter during the first inning of a baseball game Sunday, Aug. 7, 2011, in Denver.

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WASHINGTON, DC - AUGUST 02: John Lannan #31 of the Washington Nationals delivers to a Atlanta Braves batter during the seventh inning at Nationals Park on August 2, 2011 in Washington, DC. The Nationals won 9-3.

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WASHINGTON, DC - AUGUST 02: Starting pitcher John Lannan #31 of the Washington Nationals throws to an Atlanta Braves batter during the first inning at Nationals Park on August 2, 2011 in Washington, DC.

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Washington Nationals starting pitcher John Lannan throws during the second inning of a baseball game against the Atlanta Braves Tuesday, Aug. 2, 2011, at Nationals Park in Washington.

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WASHINGTON, DC - JULY 28: Starting pitcher John Lannan #31 of the Washington Nationals pitches against the Florida Marlins at Nationals Park on July 28, 2011 in Washington, DC.

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WASHINGTON, DC - JULY 28: Starting pitcher John Lannan #31 of the Washington Nationals walks past teammate Michael Morse #38 after being pulled during the sixthi inning at Nationals Park on July 28, 2011 in Washington, DC. The Marlins defeated the Nationals 5-2.

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WASHINGTON, DC - JULY 28: Starting pitcher John Lannan #31 of the Washington Nationals throws to a Florida Marlins batter during the first inning at Nationals Park on July 28, 2011 in Washington, DC.

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Washington Nationals starting pitcher John Lannan, right, walks off the field after being pulled by manager Davey Johnson during the sixth inning of a baseball game against the Florida Marlins, at Nationals Park, Thursday, July 28, 2011, in Washington. The Marlins won the game 5-2.

AP Photo 6 months ago

Washington Nationals starting pitcher John Lannan (31) delivers a first inning pitch against the Florida Marlins during a baseball game at Nationals Park on Thursday, July 28, 2011, in Washington.

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LOS ANGELES, CA - JULY 22: Starting pitcher John Lannan #31 of the Washington Nationals celebrates in the dugout after hitting a two run home run in the second inning against the Los Angeles Dodgers on July 22, 2011 at Dodger Stadium in Los Angeles, California.