Paul O'Neill, a Yankee legend on the field and in the booth, Bronx Pinstripes
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
Paul O'Neill - The Warrior, Bronx Pinstripes
Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed – WATE 6 On Your Side
Paul O'Neill discusses number retirement by Yankees
How Paul O'Neill Stacks Up Against the Other Yankees With Retired Numbers
Paul O'Neill – Society for American Baseball Research
Yankees top Red Sox 8-3, snap Boston's 7-game win streak - The San Diego Union-Tribune
Paul O'Neill will finally have number retired by Yankees