Eyes on San Diego: San Diego Loyal's final game - The San Diego Union-Tribune
Former Yankee outfielder Paul O'Neill endorses Donald Trump – New York Daily News
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
The New York Times 2017-05-03, PDF, Donald Trump
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
Paul O'Neill's No. 21 to be retired by Yankees
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Paul O'Neill Yankees No. 21 retired
Paul O'Neill on No. 21 retirement Yankees