Yankees retired numbers: A look at all of the jersey numbers players cannot wear in the Bronx
Paul O'Neill, Baseball Wiki
New York Yankees retire Paul O'Neill's No. 21; GM Brian Cashman, owner Hal Steinbrenner booed by fans - ESPN
The Warrior, Paul O'Neil's No. 21 Retired – Latino Sports
Paul O'Neill will finally have number retired by Yankees
Yankees to retire O'Neill's No. 21
3-inch weatherproof vinyl sticker honoring New York Yankees retired #21, Paul O'Neill.
Paul O'Neill Retired Number Sticker | New York #21
Yankees to retire Paul O'Neill's No. 21 jersey this summer - Newsday
NY Yankees royalty honored as Paul O'Neill's No. 21 is retired
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
New York Yankees Announce Retirement of Paul O'Neill's Number 21 – Celeb Secrets
Sagging Yankees right ship for an afternoon, beat Blue Jays on Andrew Benintendi homer - The Boston Globe
NY Yankee Paul O'Neill's No. 21 to be retired on Aug. 21
392 Ny Yankees Retired Numbers Stock Photos, High-Res Pictures, and Images - Getty Images