New York Yankees to 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
New York Yankees retire Paul O'Neill's No. 21; GM Brian Cashman, owner Hal Steinbrenner booed by fans - ABC7 New York
Yankees to Retire Paul O'Neill's No. 21 in Pregame Ceremony in August – Brooklyn Sports World/NY NJ Sports World
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New York Yankees to retire Paul O'Neill's No. 21
Yankees Mag: The Warrior's Day Cometh
Today the Yankees retired Paul O'Neill's number, mainly for his willingness to help sick children in the hospital and give out autographs to strangers in the clubhouse : r/seinfeld
Yankees to retire Paul O'Neill's No. 21: See the complete list of retired numbers
Paul O'Neill's No. 21 to be retired by Yankees