Yankees fans boo owner Hal Steinbrenner during Derek Jeter Hall of Fame tribute
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
Yankees honor Paul O'Neill with Monument Park plaque
Paul O'Neill returning to Yankees booth after vaccine standoff
The New York Yankees Could Run Out of Jersey Numbers After Retiring Them - What Happens Next? - EssentiallySports
Paul O'Neill's No. 21 to be retired by Yankees
Yankees to retire Paul O'Neill's No. 21 jersey on Aug. 21
Paul O'Neill Yankees No. 21 retired
Paul O'Neill talks jersey number retired by New York Yankees
New York Yankees Legend and Derek Jeter's Teammate Recently Admitted a Stunning Revelation About His Baseball Career - EssentiallySports
New York Yankees on LinkedIn: Yankees to Retire Paul O'Neill's No. 21
Paul O'Neill Number Retirement Ceremony
Yankees' ceremony to retire unvaccinated Paul O'Neill's number takes shape