New York Yankees history: Paul O'Neill's number 21 must be retired

Paul O'Neill Number Retirement before Yankees vs. Blue Jays on Sunday, August 21, 2022

Why are the New York Yankees retiring Paul O'Neill's number 21 on August 21, 2022? What is your unedited opinion about it? - Quora

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

New York Yankees Announce Retirement of Paul O'Neill's Number 21 – Celeb Secrets

Reaction: Yankees Retire #21 for Paul O'Neill

Paul O'Neill Day: Who will Yankees honor in Monument Park next?

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 Paul O'Neill jersey retirement Toronto Blue Jays

NY Yankees retire Paul O'Neill's No. 21

Paul O'Neill Number Retirement before Yankees vs. Blue Jays on Sunday, August 21, 2022

Paul O'Neill Number Retirement before Yankees vs. Blue Jays on Sunday, August 21, 2022

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

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