Yankees to retire numbers of Pettitte, Posada and Williams

Andy Pettitte Stands Alone as the Only Legend to Wear No. 46 - WSJ

Yankees retire Jorge Posada's No. 20

New York Yankees retire Bernie Williams' No. 51, unveil plaque - ESPN

New York Yankees retired Paul O'Neill's No. 21 jersey

Yankees Retired Numbers: 5 Fast Facts You Need to Know

Yankees to Retire Pettitte, Posada and Williams Numbers

What Other Numbers Might the Yankees Be Retiring in the Near Future?

Posada says there is no chance he returns to Yankees

Jorge Posada retires from Yankees at age 40 - The Boston Globe

Chuck Knoblauch takes shot on Twitter at honor for Andy Pettitte

Yankees Retired Numbers: 5 Fast Facts You Need to Know

Jorge Posada, Retired Number

A mathematical examination of when the Yankees will run out of

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