Here are the Yankees' 21 retired numbers Who belongs and who doesn't? Andy Pettitte, Jorge Posada, Bernie Williams, more
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PHOTOS: Derek Jeter's No. 2 retired by the New York Yankees – The Denver Post
Yankees retire Paul O'Neill's No. 21 jersey, Cashman booed
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Yankees Retired Numbers
New York Yankees retired Paul O'Neill's No. 21 jersey
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Numbers up: Aaron Judge not the only Yankee in the 90s on his jersey - Newsday
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Derek Jeter wasn't first to wear No. 2, and other fun facts
Derek Jeter's No. 2, Last of Yankees' Single Digits, to Be Retired - The New York Times