Yankees to Retire Pettitte, Posada and Williams Numbers
Jeter returns as Yankees honor 1998 team at Old-Timers' Day, Sports
Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed
The Athletic] The Yankees have asked MLB if they can stop issuing uniform numbers to their manager and coaches because they're running out of numbers that aren't retired : r/baseball
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Yankees to retire Derek Jeter's No. 2 on May 14 – New York Daily News
New York Yankees retired numbers: Is team too generous? - Sports Illustrated
A mathematical examination of when the Yankees will run out of numbers to retire
Yanks to retire numbers for Williams, Pettitte, Posada
Yankees great Jorge Posada recounts his journey from community college to Monument Park
New York Yankees ceremony addiction is getting out of hand
Ticket prices to Jeter's jersey ceremony an all-time high for Yankees - New York Business Journal
Jeter returns as Yankees honor 1998 team at Old-Timers' Day, Boone booed by some - ABC News
Pettitte, Williams, Posada honored - ABC7 San Francisco
Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed
