Yankees' Pettitte to announce his retirement on Friday
Pettitte: 'Mo told me you need to say something
Andy Pettitte announces retirement from Yankees: 'We've had a good run here and my time is done' – New York Daily News
Andy Pettitte The Captain's Blog
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Andy Pettitte to join Rivera in retirement – troyrecord
Andy Pettitte, New York Yankees: Lefty Veteran to Retire - WSJ
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Andy Pettitte, at 40, is enjoying successful comeback for New York Yankees - The Washington Post
Yankees' Andy Pettitte Announces Retirement: A 5-Time World Champion, News, Scores, Highlights, Stats, and Rumors
Andy Pettitte's career leaves lasting mark - ESPN - Stats & Info- ESPN
Andy Pettitte announces that he's retiring after the season - NBC Sports
