Jorge Posada has No. 20 retired by Yankees on 'one of the happiest days of my life' – New York Daily News
Jorge Posada's number retired by New York Yankees - ESPN
Jorge Posada has No. 20 retired by Yankees on 'one of the happiest days of my life' – New York Daily News
Monument Park at Yankee Stadium - Attractions - Baseball Life
Jorge Posada has his No. 20 retired by the Yankees - NBC Sports
Yankees next retired number prediction
New York Yankees: The 5 greatest catchers in franchise history
The Greedy Pinstripes: Remembering Yankees of the Past: Jorge Posada
Uncle Mike's Musings: A Yankees Blog and More: The Unwritten Rules of Monument Park
Bleeding Yankee Blue: WHY POSADA'S D-DAY IS NEXT TUESDAY
Yankees retired numbers and the baseball legends who wore them
New York Yankees to retire Paul O'Neill's No. 21 on Aug. 21
Yankees also retiring numbers for Bernie Williams and Jorge Posada
Injury to C.C. Sabathia and Another Yankees Loss Cast Shadow on Day Honoring Andy Pettitte - The New York Times
Yankees retire Andy Pettitte's number, give him plaque in Monument Park