Yankees, YES will try to salvage awkwardness of Paul O'Neill Day
Yankees honor Paul O'Neill with Monument Park plaque
NY Yankees royalty honored as Paul O'Neill's No. 21 is retired
Monument Park Just Ain't What It Used to Be
Baltimore Orioles Overlook Mike Mussina's Excellence By Issuing Adley Rutschman No. 35
Monument Park Just Ain't What It Used to Be
MLB insider: Freddie Freeman reminds me of Yankees legend
Expanding Monument Park: What Marketers Can Learn From the Yankees
September 21, 2008: The final game at Yankee Stadium – Society for American Baseball Research
Yankees to retire Paul O'Neill's No. 21 jersey on Aug. 21
Yankees & YES bending over backwards for unvaxxed Paul O'Neill