Yankees retire Jorge Posada's No. 20
Jorge Posada in Danger of Falling Off Hall of Fame Ballot - The New York Times
Yanks to retire numbers for Williams, Pettitte, Posada
Jorge Posada - Wikipedia
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Yankees retire Posada's No. 20
Derek Jeter's No. 2, Last of Yankees' Single Digits, to Be Retired - The New York Times
Jorge Posada, 97 Milestone - MLB the Show 23
Yankees also retiring numbers for Bernie Williams and Jorge Posada
Retired New York Yankees Catcher Lists Home for Sale in the Old Cutler Bay Neighborhood for $20 Million
Jorge Posada Set to Help, As Berra Once Helped Him - The New York Times