Yankees pitcher Andy Pettitte to retire after 16 seasons
Yankees' Andy Pettitte announces retirement - The San Diego Union
Rivera gets emotional send-off at Yankee Stadium
Andy Pettitte Statcast, Visuals & Advanced Metrics
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Pettitte Up Next as Dynasty Nears End - The New York Times
New York Yankees pitcher Andy Pettitte will retire after season
Pettitte to announce retirement from baseball: report
Bronx? Cooperstown? Questions for Pettitte to Ponder - The New
New York Yankees pitcher Andy Pettitte will retire after season
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This Day in Yankees History: Andy Pettitte comes out of retirement
