The Yankees Retire Paul O'Neill's Number 21 - The New York Times
Paul O'Neill's No. 21 to be retired by Yankees
As presidency winds down, President Obama ready to go after eight
My Favorite Right Fielder
Yankees to retire Paul O'Neill's No. 21: See the complete list of
Paul O'Neill's No. 21 Jersey to Be Retired by Yankees on August 21
Have the NY Yankees retired too many numbers? - Quora
NY Yankees retire Paul O'Neill's No. 21
NY Yankees retire Paul O'Neill's No. 21