Yankees to Retire Andy Pettitte, Jorge Posada and Bernie Williams

Derek Jeter back as Yankees honor '98 team at Old-Timers' Day - ESPN

Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed

Posada says he won't be back with Yankees in 2012 - The San Diego Union-Tribune

NY Yankees royalty honored as Paul O'Neill's No. 21 is retired

Yankees to retire numbers of Pettitte, Posada and Williams, Sports

Yankees also retiring numbers for Bernie Williams, Jorge Posada; Willie Randolph to be honored in Monument Park - NBC Sports

Yankees retire Jorge Posada's No. 20 in Monument Park

Jorge Posada has No. 20 retired by Yankees on 'one of the happiest days of my life' – New York Daily News

Ticket prices to Jeter's jersey ceremony an all-time high for Yankees - New York Business Journal

Here are the Yankees' 21 retired numbers Who belongs and who doesn't? Andy Pettitte, Jorge Posada, Bernie Williams, more

New York Yankees retired Paul O'Neill's No. 21 jersey

Andy Pettitte Decides to Retire - The New York Times