Paul O'Neill Yankees No. 21 retired
Morning Buzz
Uncle Mike's Musings: A Yankees Blog and More: October 8, 1956: 60
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler
MLB News Story - O'Neill honored 21 to join Ruth's 3, Gehrig's 4
Paul O'Neill's No. 21 to be retired by Yankees
How Paul O'Neill became a Yankees great after his Reds career
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water
The Yankees Retire Paul O'Neill's Number 21 - The New York Times