Jorge Posada honored by Yankees with Monument Park plaque, has number retired - Newsday
Monument Park (Yankee Stadium) - Wikipedia
Jorge Posada debuts on Hall of Fame ballot
Jorge Posada has No. 20 retired by Yankees on 'one of the happiest days of my life' – New York Daily News
History of Monument Park
Yankees honor Tino Martinez with plaque in Monument Park
Yankees also retiring numbers for Bernie Williams and Jorge Posada
Monument Park (Yankee Stadium) - Wikiwand
Jorge Posada's number retired by New York Yankees - ESPN
NY Yankees royalty honored as Paul O'Neill's No. 21 is retired
Bernie Williams Day: Who else is in Monument Park in Yankee Stadium?