How Paul O'Neill Stacks Up Against the Other Yankees With Retired Numbers

Bob Watson, architect of the 1996 Yankees, battling kidney failure — and a forgotten legacy – New York Daily News

New York Yankees retire Paul O'Neill's No. 21; GM Brian Cashman, owner Hal Steinbrenner booed by fans - ESPN

New York Yankees history: Paul O'Neill's number 21 must be retired

Paul O'Neill's Number 21: The Weird Yankees Scandal You Don't Remember

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

A-Rod: 'It bothers me' Yankees haven't retired my number : r/NYYankees

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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

New York Yankees Archives - Sportscasting