Andy Pettitte Stands Alone as the Only Legend to Wear No. 46 - WSJ
New York Yankees retired Paul O'Neill's No. 21 jersey
Jorge Posada wouldn't be surprised if Andy Pettitte returns
Yankees retire pitcher Andy Pettitte's No. 46
Jorge Posada retires from Yankees at age 40 - The Boston Globe
New York Yankees retired numbers: Is team too generous? - Sports
Jason Giambi retires, Yankees will honor Andy Pettitte, Jorge
Andy Pettitte joins Yankees' elite in Monument Park with plaque
Posada says there is no chance he returns to Yankees
Jeter returns as Yankees honor 1998 team at Old-Timers' Day, Boone
Reports: Yankees likely to retire Nos. 51 and 20 soon - River
Why Andy Pettitte deserves number retired, but Jorge Posada doesn
NY Yankees retire Paul O'Neill's No. 21