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The Yankees Retire Paul O'Neill's Number 21 - The New York Times
Derek Jeter's No. 2, Last of Yankees' Single Digits, to Be Retired - The New York Times
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Uniform number (Major League Baseball) - Wikipedia
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Derek Jeter's No. 2 retired: See all New York Yankees retired numbers
Celebrities, Rain and the Red Sox Come On Strong in a Yankees Defeat - The New York Times