New York Yankees retire Paul O'Neill's No. 21; GM Brian Cashman, owner Hal Steinbrenner booed by fans - ESPN
Paul O'Neill Yankees No. 21 retired
Yankees retired numbers: A look at all of the jersey numbers players cannot wear in the Bronx
Paul O'Neill Number Retirement before Yankees vs. Blue Jays on Sunday, August 21, 2022
Yankees to Retire Paul O'Neill's Number 21
The Yankees need to reissue Paul O`Neill's no. 21 - Pinstripe Alley
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
Yankees to retire Paul O'Neill's No. 21 jersey this summer - Newsday
Paul O'Neill The Warrior Yankees Tribute