New York Yankees honor Paul O'Neill with Monument Park plaque - ESPN
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
Swing and a Hit by Paul O'Neill
Yankees top Red Sox 8-3, snap Boston's 7-game win streak - The San Diego Union-Tribune
NY Yankees retire Paul O'Neill's No. 21
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
Number 21 Continues to Remain Sacred to the New York Yankees, 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
New York Yankees retire Paul O'Neill's No. 21; GM Brian Cashman, owner Hal Steinbrenner booed by fans - ABC7 New York
Yankees] 8.21.22 Paul O'Neill's No. 21 enters Monument Park. : r/NYYankees