Yankees to retire Paul O'Neill's No. 21: See the complete list of retired numbers

Marchand] The Yanks are set to retire Paul O'Neill's No. 21 on Aug. 21st at Yankee Stadium. : r/NYYankees

Yankees fans boo Hal Steinbrenner during Paul O'Neill ceremony

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Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed

As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times

Defector] The Yankees Are Retiring Paul O'Neill's Number In Monument Park, Which Is Different From Giving Him A Plaque In Monument Park, Which They Already Did, And Also Different From Giving Him

Monument Park (Yankee Stadium) - Wikipedia

Paul O'Neill: New York Yankees to retire jersey number

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As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times

New York Yankees Announce Retirement of Paul O'Neill's Number 21 – Celeb Secrets

NY Yankees retire Paul O'Neill's No. 21