Andy Pettitte, Jorge Posada, Bernie Williams to have numbers retired by Yankees
Yankees to Retire Andy Pettitte, Jorge Posada and Bernie Williams' Jersey Numbers
The Greedy Pinstripes: When Will New York Run out of Jersey Numbers?
Yankees to retire RF Paul O'Neill's No. 21 on Aug. 21 - The Athletic
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Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed
Derek Jeter's No. 2, Last of Yankees' Single Digits, to Be Retired - The New York Times
Pettitte, Williams, Posada honored - ABC7 San Francisco
Here are the Yankees' 21 retired numbers Who belongs and who doesn't? Andy Pettitte, Jorge Posada, Bernie Williams, more
Jorge Posada has his No. 20 retired by the Yankees - NBC Sports
Here are the Yankees' 21 retired numbers Who belongs and who doesn't? Andy Pettitte, Jorge Posada, Bernie Williams, more