NY Yankees royalty honored as Paul O'Neill's No. 21 is retired
Paul O'Neill's No. 21 to be retired by Yankees
New York Yankees Announce Retirement of Paul O'Neill's Number 21 – Celeb Secrets
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
Paul O'Neill's No. 21 to be retired by Yankees
NY Yankees retire Paul O'Neill's No. 21
Yankees Sweep Mets in Possible World Series Preview - The New York Times
Paul O'Neill Deserves It But Isn't It Getting A Bit Ridiculous
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
New York Yankees to retire Paul O'Neill's number this summer
New York Yankees retire Paul O'Neill's No. 21; GM Brian Cashman, owner Hal Steinbrenner booed by fans - ESPN