When the New York Yankees/Boston Celtics run out of numbers to retire, will we finally come to our senses and end the nonsensical practice of retiring numbers once and for all?
A conversation with Hal Steinbrenner - Newsday
Mariano_Rivera
New York Yankees history: Paul O'Neill's number 21 must be retired
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed
NY Yankee Paul O'Neill's No. 21 to be retired on Aug. 21
Paul O'Neill
New York Yankees to retire Paul O'Neill's jersey number during 2022 season - Sports Illustrated NY Yankees News, Analysis and More
NY Yankees retire Paul O'Neill's No. 21
Paul O'Neill Number Retirement before Yankees vs. Blue Jays on Sunday, August 21, 2022