Paul O'Neill Yankees No. 21 retired
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As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
Paul O'Neill's No. 21 to be retired by Yankees
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
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More Yankees, Mets to be immortalized - Newsday
Yankees to retire Paul O'Neill's No. 21 on Aug. 21
Paul O'Neill stunned Yankees are retiring his number
Paul O'Neill's No. 21 journey started at his first MLB game
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Paul O'Neill's No. 21 to be retired by Yankees