Looking back on Andy Pettitte's return, five years later - Pinstripe Alley
Pettitte coming back to pitch for Yanks for 1-year, $16M
Andy Pettitte – Society for American Baseball Research
Pettitte to retire -- again - The San Diego Union-Tribune
Yankees pitcher Andy Pettitte goes out a winner in his hometown – troyrecord
Former Yankee Chuck Knoblauch calls out Yankees for retiring Andy Pettitte's number
Andy Pettitte announces retirement following 2013 season - River Avenue Blues
Mariners 3, Yankees 2: Andy Pettitte hurts back – Daily Freeman
Again, Andy Pettitte Faces Questions of Retirement - The New York Times
Yanks Appear Closer to Signing Pettitte - The New York Times