Paul O'Neill (@PaulONeillYES) / X
Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed
Paul O'Neill remembered as one of great Yankees
Yankees Social Media: The Warrior comments on jersey retirement - Pinstripe Alley
2011 Topps Tribute Paul O'Neill Game Used Auto 4/5 - My favorite player of all time : r/baseballcards
There's no reason Yankees shouldn't allow Todd Frazier to wear Paul O'Neill's No. 21 – New York Daily News
Yankees fans boo Hal Steinbrenner during Paul O'Neill ceremony
Reaction: Yankees Retire #21 for Paul O'Neill
Paul O'Neill (@PaulONeillYES) / X
2011 Topps Tribute Paul O'Neill Game Used Auto 4/5 - My favorite player of all time : r/baseballcards