Yankees fans boo Hal Steinbrenner during Paul O'Neill ceremony
Ask Pinstripe Alley 1/11/17: Will the Yankees ever retire Paul O
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water
Paul O'Neill Day: Who will Yankees honor in Monument Park next?
Paul O'Neill Yankees No. 21 retired
New York Yankees honor Paul O'Neill with Monument Park plaque - ESPN
Yankees retired numbers: Paul O'Neill latest to be added to list
Paul O'Neill Number Retirement before Yankees vs. Blue Jays on
New York Yankees to retire Paul O'Neill's No. 21 on Aug. 21