How Paul O'Neill Stacks Up Against the Other Yankees With Retired Numbers
Forty-Sixed: a needlessly lengthy look at the Yankees' needlessly extensive history (and future) of retired numbers - Pinstripe Alley
Baseball – The Luke Norris Experience
Why does the New York Yankees logo appear on many clothes worldwide? - Quora
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Why Does Oswaldo Cabrera Wear a Pearl Necklace? - The New York Times
Paul O'Neill Yankees No. 21 retired
New York Yankees retire Paul O'Neill's No. 21; GM Brian Cashman, owner Hal Steinbrenner booed by fans - ESPN
The Yankees need to reissue Paul O`Neill's no. 21 - Pinstripe Alley
New York Yankees Archives - Sportscasting
Yankees retire Paul O'Neill's number and BAN him from interacting with players because he is UNVAXED
New York Yankees to retire Paul O'Neill's number this summer
Paul O'Neill Yankees No. 21 retired