Pettitte Up Next as Dynasty Nears End - The New York Times
New York Yankees pitcher Andy Pettitte will retire after season – The Mercury News
Posada retires from Yankees after 17 seasons, 5 titles
Yankees pitcher Andy Pettitte to retire after season - The Boston Globe
Pettitte Up Next as Dynasty Nears End - The New York Times
Yankees' Andy Pettitte Announces Retirement: A 5-Time World Champion, News, Scores, Highlights, Stats, and Rumors
Yankees' Andy Pettitte to Retire
The Hall of Fame case for New York Yankees fan-favorite Andy Pettitte
Core Four - Wikipedia