New York Yankees to retire Paul O'Neill's No. 21 on Aug. 21
New York Yankees Announce Retirement of Paul O'Neill's Number 21
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As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water
Have the NY Yankees retired too many numbers? - Quora
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Paul O'Neill's No. 21 to be retired by Yankees
New York Yankees history: Paul O'Neill's number 21 must be retired
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water
Roberto_Clemente