Yankees to retire numbers of Pettitte, Posada and Williams
Yankees LHP Andy Pettitte to retire after season, Sports
Andy Pettitte gets the deal he wanted
Yankees' Pettitte to retire at end of season
Former Yankees pitcher Andy Pettitte talks faith and baseball in Convocation » Liberty News
Andy Pettitte of New York Yankees caps career with complete-game win - ESPN
What Other Numbers Might the Yankees Be Retiring in the Near Future?
Yankees sign Andy Pettitte - MLB Daily Dish
I will never get tired of this video. 40 year old Andy Pettitte teaches 19 year old, rookie Bryce Harper a lesion in patience : r/NYYankees
New York Yankees ceremony addiction is getting out of hand
Yankees pitcher Andy Pettitte to retire at end of season, New York Yankees