Paul O'Neill Yankees No. 21 retired
Yankees retire Paul O'Neill's No. 21 jersey - NBC Sports
New York Yankees retired Paul O'Neill's No. 21 jersey
Paul O'Neill
Paul O'Neill Yankees No. 21 retired
Paul O'Neill Yankees No. 21 retired
New York Yankees to retire Paul O'Neill's No. 21 on Aug. 21 - NBC Sports
Paul O'Neill's No. 21 to be retired by Yankees
New York Yankees history: Paul O'Neill's number 21 must be retired
Uncle Mike's Musings: A Yankees Blog and More: October 8, 1956: 60 Years Since The Perfect Game
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times