New York Yankees pitcher Andy Pettitte waves from a float during a ticker-tape parade along Broadway celebrating their 27th World Series...

NEW YORK - NOVEMBER 04: Andy Pettitte #46 of the New York Yankees walks back to the dugout after he was taken out...

Andy Pettitte, Jorge Posada, Derek Jeter and Mariano Rivera gather with the trophy after winning their fifth World...

NEW YORK - NOVEMBER 04: (L-R) Andy Pettitte #46, Jorge Posada #20, Derek Jeter #2 and Mariano Rivera #42 of the New York Yankees...

...New York mayor Rudy Giuliani cheers on with the rest of the Yankee Stadium faithful as Andy Pettitte tips his hat after pitching into the sixth inning on three days rest in Game 6...

New York Yankees' Andy Pettitte tips his cap after being relieved by Joba Chamberlain during the sixth inning of Game 6...

Nov 4, 2009; Bronx, NY, USA; New York Yankees starting pitcher Andy Pettitte delivers a pitch during the first inning of game six of the 2009 World Series against...

NEW YORK - NOVEMBER 04: Starting pitcher Andy Pettitte #46 of the New York Yankees throws a pitch against the Philadelphia Phillies in Game Six...

Oct 31, 2009; Philadelphia, PA, USA; New York Yankees starting pitcher Andy Pettitte (left) reacts after giving up a solo home run to Philadelphia Phillies right fielder Jayson Werth...

...the New York Yankees celebrates scoring in the fifth inning on a Johnny Damon double with Andy Pettitte #46 against the Philadelphia Phillies in Game Three of the 2009 MLB World Series at Citizens...

...28 of the Philadelphia Phillies runs out a solo home run in the sixth inning as Andy Pettitte #46 of the New York Yankees looks on in Game Three of the 2009 MLB World...

Oct 31, 2009; Philadelphia, PA, USA; New York Yankees starting pitcher Andy Pettitte hits an RBI single during the fifth inning of game three of the 2009 World Series...

PHILADELPHIA - OCTOBER 31: Starting pitcher Andy Pettitte #46, Derek Jeter #2, and catcher Jorge Posada #20 of the New York Yankees conference on...

Oct 31, 2009; Philadelphia, PA, USA; New York Yankees starting pitcher Andy Pettitte delivers a pitch during the first inning of game three of the 2009 World Series against...

Apr 26, 2009; Boston, MA, USA; New York Yankees starting pitcher Andy Pettitte throws a pitch in the first inning against the Boston Red Sox at Fenway Park. Mandatory...