New York Yankees Retired Numbers - - Database of Yankee Uniform Numbers Through the Years
How many jersey numbers do the Yankees have left? - Deseret News
Yankees fans boo Hal Steinbrenner during Paul O'Neill ceremony
New York Yankees to retire Paul O'Neill's No. 21 on Aug. 21
Here are the Yankees' 21 retired numbers Who belongs and who doesn't? Andy Pettitte, Jorge Posada, Bernie Williams, more
Southern California teams' retired numbers – Orange County Register
NY Yankees royalty honored as Paul O'Neill's No. 21 is retired
Here are the Yankees' 21 retired numbers Who belongs and who doesn't? Andy Pettitte, Jorge Posada, Bernie Williams, more
3-inch weatherproof vinyl sticker honoring New York Yankees retired #21, Paul O'Neill.
Paul O'Neill Retired Number Sticker | New York #21
Names and Numbers: NY Yankees
The second-best Yankee to wear each retired number - Part One - Pinstripe Alley
Yankees to Retire Derek Jeter's Number
New York Yankees retired numbers: Is team too generous? - Sports Illustrated
Paul O'Neill Yankees No. 21 retired
Yankees will retire Paul O'Neill's No. 21 jersey in August at Yankee Stadium's Monument Park