19 years ago today, Yankees outfielder Paul O'Neill got his 2,000

Paul O'Neill takes in 'biggest dream' of his life as Yankees retire No. 21

Looking back at only Mets-Yankees World Series

Paul O'Neill still gets fired up thinking about 1996 and the Yankees' dynasty years – New York Daily News

New York Yankees to retire Paul O'Neill's jersey number during 2022 season - Sports Illustrated NY Yankees News, Analysis and More

Committed To Win: The Inspiring Tale Of The 1999 Yankees

Opinion: Why Todd Frazier wearing Paul O'Neill's No. 21 isn't a big deal

Paul O'Neill discusses number retirement by Yankees

Paul O'Neill – Society for American Baseball Research

August 18, 2000: Yankees and Rivera stumble as Angels rally to win in 11 – Society for American Baseball Research

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