Paul O'Neill's career celebrated with Monument Park plaque, by MLB.com/blogs
Yankees] 8.21.22 Paul O'Neill's No. 21 enters Monument Park. : r/NYYankees
Yankees, YES will try to salvage awkwardness of Paul O'Neill Day
Yankees Will Retire Numbers for Jorge Posada, Bernie Williams, Andy Pettitte - WSJ
Royals defeat Yankees to spoil Derek Jeter ceremony – Daily Freeman
Paul O'Neill's No. 21 to be retired by Yankees
Yankees will retire Paul O'Neill's No. 21 jersey number on Aug. 21
Yankees fans boo Hal Steinbrenner during Paul O'Neill ceremony
New York Yankees honor Paul O'Neill with Monument Park plaque - ESPN
Hartnett: 'Warrior' Paul O'Neill Injected Pride Back Into The Yankees - CBS New York
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
Paul O'Neill discusses number retirement by Yankees
Yankees honor Paul O'Neill with Monument Park plaque
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