Yankees honor Paul O'Neill with Monument Park plaque

Martinez receives Monument Park plaque

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

Yankees will retire Paul O'Neill's No. 21 jersey in August at Yankee Stadium's Monument Park

Monument Park (Yankee Stadium) - Wikipedia

Yankees to retire Paul O'Neill's No. 21 at Yankee Stadium on August 21st - Pinstripe Alley

Paul O'Neill (baseball) - Wikipedia

Photo: New York Yankees honor Paul O'Neill with a plaque in Monument Park - NYP20140809105

Yankees announce next player to have his number retired at Yankee Stadium

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

Yankees fans boo Hal Steinbrenner during Paul O'Neill ceremony

Yankees honor Columbus native Paul O'Neill

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