Yankees retire Jorge Posada's No. 20 in Monument Park
Jeter's No 2 retired by Yanks; Monument Park plaque unveiled
Injury to C.C. Sabathia and Another Yankees Loss Cast Shadow on Day Honoring Andy Pettitte - The New York Times
Why Andy Pettitte deserves number retired, but Jorge Posada doesn't
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Jorge Posada honored at Yankee Stadium
Yankees to retire numbers of Andy Pettitte, Jorge Posada and Bernie Williams - ABC7 New York
Yankees to retire numbers of Posada and Bernie, too
Derek Jeter's No. 2 retired by Yankees; Monument Park plaque unveiled – The Denver Post
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 Will Retire Bernie Williams' No. 51 and Jorge Posada's No. 20, News, Scores, Highlights, Stats, and Rumors