Yankees' Pettitte to retire at end of season
Yankees' Andy Pettitte announces retirement
New York Yankees pitcher Andy Pettitte plans to announce his retirement
Pettitte's future remains unclear - Newsday
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Andy Pettitte ends Yankees career in fitting fashion
Yankees LHP Andy Pettitte to retire after season, Sports
Core four down to one: Pettitte plans retirement after season
Cliff Corcoran: Pettitte comes out of retirement, gives Yankees enviable depth - Sports Illustrated
Pettitte, Officially Back With Yankees, Looks Sharp in Bullpen Session - The New York Times
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