Paul O'Neill's No. 21 to be retired by Yankees
Yankees to retire RF Paul O'Neill's No. 21 on Aug. 21 - The Athletic
NY Yankees royalty honored as Paul O'Neill's No. 21 is retired
Yankees to retire Paul O'Neill's No. 21 at Yankee Stadium on August 21st - Pinstripe Alley
New York Yankees retired Paul O'Neill's No. 21 jersey
New York Yankees history: Paul O'Neill's number 21 must be retired
A conversation with Hal Steinbrenner - Newsday
NY Yankees retire Paul O'Neill's No. 21
Paul O'Neill Number Retirement before Yankees vs. Blue Jays on Sunday, August 21, 2022