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As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
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Opposing fans need to shut up about Yankees retiring Paul O'Neill's number
Mets and Yankees shortstops Asdrubal Cabrera, Didi Gregorius seem very good to naked eye — but these metrics say otherwise – New York Daily News
Serby's Sunday Q&A with… Paul O'Neill
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
New York Yankees: Paul O'Neill and the 5 Biggest 'Warriors' in Franchise History, News, Scores, Highlights, Stats, and Rumors