New York Yankees to retire Paul O'Neill's No. 21 on Aug. 21
The Franchise: New York Yankees: A Curated History of the Bronx Bombers: Feinsand, Mark, Torre, Joe: 9781629379944: : Books
Happy Paul O'Neill Day! Here are 10 of his greatest moments as a New York Yankee
MLB Power Rankings: The Cardinals need some help and the Phillies are thriving - The Athletic
The 1998 Yankees: The Inside Story of the Greatest Baseball Team Ever: 9781538722978: Curry, Jack: Books
Top moments from O'Neill's time as a Yankee
The Yankees Retire Paul O'Neill's Number 21 - The New York Times
Yankees-Red Sox, other Opening Day games: What you need to know - Sports Illustrated
The Big 50: New York Yankees by Peter Botte, Bernie Williams, Chazz Palminteri - Ebook
Yankees vs. Mets: The Daily News' 15 most memorable Subway Series moments – New York Daily News