As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
New York Yankees catcher Jorge Posada wore heart, emotions on sleeve - ESPN - Yankees Blog- ESPN
Jorge Posada has No. 20 retired by Yankees on 'one of the happiest days of my life' – New York Daily News
Here are the Yankees' 21 retired numbers Who belongs and who doesn't? Andy Pettitte, Jorge Posada, Bernie Williams, more
Yankees to retire numbers of Posada and Bernie, too
Jorge Posada, Baseball Wiki
Yankees Retire Jorge Posada's No. 20, With a Nod to No. 15 - The New York Times
I was a New York Yankees legend - but after baseball I took up a very different career to help my sick son
Monument Park (Yankee Stadium) - Wikipedia
New York Yankees: The 5 greatest catchers in franchise history
Jorge Posada on deck for his first Yankees Old-Timer's Day
Yankees Will Retire Numbers for Jorge Posada, Bernie Williams, Andy Pettitte - WSJ
Yankees Retired Numbers - Who Are The 22 Yankees Who Wore Them