Yankees to retire Paul O'Neill's No. 21 jersey this summer - Newsday

Aaron Boone's No. 17? It's Personal, Not Motivational - The New York Times

Yankees to retire Paul O'Neill's No. 21 on Aug. 21

Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed

New York Yankees to retire Paul O'Neill's jersey number during 2022 season - Sports Illustrated NY Yankees News, Analysis and More

New York Yankees retire Paul O'Neill's No. 21; GM Brian Cashman, owner Hal Steinbrenner booed by fans - ESPN

Paul O'Neill's No. 21 Jersey to Be Retired by Yankees on August 21, News, Scores, Highlights, Stats, and Rumors

As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times

Yankees to retire Paul O'Neill's No. 21 jersey this summer - Newsday

Yankees to retire Paul O'Neill's No. 21 jersey this summer - Newsday