Yankees to retire Andy Pettitte's jersey number in 2015

New York Yankees to retire Paul O'Neill's No. 21 on Aug. 21

Winter Meetings notes: Jeter to have number retired

Yankees retire Jorge Posada's No. 20

New York Yankees to retire Derek Jeter's No. 2 on May 14 - ESPN

Yankees to Retire Andy Pettitte, Jorge Posada and Bernie Williams

Report: Ex-pitcher Andy Pettitte's number to be retired by Yankees

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Derek Jeter's No. 2 retired: See all New York Yankees retired

Andy Pettitte's number to be retired by Yankees

The Greedy Pinstripes: When Will New York Run out of Jersey Numbers?

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NY Yankee Paul O'Neill's No. 21 to be retired on Aug. 21

Justin Wilson New York Yankees Game-Used #41 White Andy Pettitte Retirement Night Jersey vs. Cleveland Indians on August 23 2015 - Size 48

New York Yankees: The Numbers on the Wall