Yankees Fans Boo Brian Cashman, Hal Steinbrenner at Paul O'Neill's Jersey Retirement - Sports Illustrated
Yankees Social Media: The Warrior comments on jersey retirement - Pinstripe Alley
How many jersey numbers do the Yankees have left? - Deseret News
Will ex-Yankees star Paul O'Neill return to YES Network?
Paul O'Neill Book Excerpt: A Memorable Chat With Ted Williams - The New York Times
NY Yankees retire Paul O'Neill's No. 21
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Paul O'Neill Number Retirement before Yankees vs. Blue Jays on Sunday, August 21, 2022
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
Paul O'Neill discusses number retirement by Yankees
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
NY Yankees retire Paul O'Neill's No. 21