Yankees' retirement of Paul O'Neill's number might be a stretch - Pinstripe Alley
This Day in Yankees History: He did it! He did it! No-hitter for Jim Abbott!- September 4, 1993 - Pinstripe Alley
Paul O'Neill on No. 21 retirement Yankees
Paul O'Neill Number Retirement before Yankees vs. Blue Jays on Sunday, August 21, 2022
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As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
Ask Pinstripe Alley 1/11/17: Will the Yankees ever retire Paul O'Neill's number? - Pinstripe Alley
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Paul O'Neill Number Retirement Ceremony
Paul O'Neill's No. 21 to be retired by Yankees
Opposing fans need to shut up about Yankees retiring Paul O'Neill's number
New York Yankees retire Paul O'Neill's No. 21; GM Brian Cashman, owner Hal Steinbrenner booed by fans - ESPN
Paul O'Neill Number Retirement before Yankees vs. Blue Jays on Sunday, August 21, 2022
Paul O'Neill discusses number retirement by Yankees
New York Yankees, Ultimate Pop Culture Wiki