New York Yankees to retire All-Star Paul O'Neill's No. 21 jersey
Paul O'Neill (baseball) - Wikipedia
Gene Michael, Whose Yankee Teams Won 4 World Series, Dies at 79
Yankees Mag: The Warrior's Day Cometh
Not in Hall of Fame - 47. Paul O'Neill
Paul O'Neill – Society for American Baseball Research
Unvaccinated Paul O'Neill called Yankees game from home
Men's New York Yankees Paul O'Neill Majestic Navy Cooperstown Collection Official Name & Number T-Shirt
19 years ago today, Yankees outfielder Paul O'Neill got his 2,000
Don Mattingly-to-Kevin Maas: The first step in Yankees' rebirth
Top moments from O'Neill's time as a Yankee