Here are the Yankees' 21 retired numbers

Yankees retire Paul O'Neill's No. 21 on Sunday👏 #shorts

Appreciating the retired single-digit numbers of the New York Yankees

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

NY Yankees royalty honored as Paul O'Neill's No. 21 is retired

Source: No decision yet about when Derek Jeter's No. 2 will be retired - Newsday

Paul O'Neill Yankees No. 21 retired

List of Major League Baseball retired numbers - Wikipedia

Which pro sports teams have the most retired numbers?

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

Here are the Yankees' 21 retired numbers Who belongs and who doesn't? Andy Pettitte, Jorge Posada, Bernie Williams, more

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

Paul O'Neill stunned Yankees are retiring his number

Yankees Retired Numbers Quiz