Here are the Yankees' 21 retired numbers
New York Yankees: The Numbers on the Wall
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
Names and Numbers: NY Yankees
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Yankees retire Paul O'Neill's No. 21 on Sundayđź‘Ź #shorts
Yankees to retire Derek Jeter's No. 2 on May 14 – New York Daily News
Derek Jeter's No. 2 retired: See all New York Yankees retired numbers
Paul O'Neill Yankees No. 21 retired
New York Yankees Retired Numbers - - Database of Yankee Uniform Numbers Through the Years
Which pro sports teams have the most retired numbers?
Yankees retired numbers and the baseball legends who wore them
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