New York Yankees history: Paul O'Neill's number 21 must be retired
Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed
Aaron_Boone
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Yanks' Cashman backs Boone to turn `slings' into 'bouquets
Andy_Pettitte
Yankees retire Paul O'Neill's No. 21 jersey - NBC Sports
Yankees GM Brian Cashman Backs Aaron Boone to Turn Fans' 'Slings' into 'Bouquets' – NBC New York
NY Yankees royalty honored as Paul O'Neill's No. 21 is retired
Hal Steinbrenner
Brian Cashman
New York Yankees history: Paul O'Neill's number 21 must be retired
Derek Jeter
Brian Cashman: Yankees 'not waving white flag' on contending during rebuild – New York Daily News
Hal Steinbrenner