Paul O'Neill's No. 21 to be retired by Yankees
This Day in Yankees History: The Yankees retire Don Mattingly's number - Pinstripe Alley
DailyNewsGems: April 14, 2023
Yankees retired numbers ahead of Paul O'Neill's 2022 ceremony
Pro Sports Outlook] Don Mattingly's #23 is the only number retired by the Yankees that did not win a World Series with the franchise. The Yankees' lifer put together some phenomenal seasons
MLB Don Mattingly Story: a Victim of Circumstance, or Bad Luck?, News, Scores, Highlights, Stats, and Rumors
Pro Sports Outlook] Don Mattingly's #23 is the only number retired by the Yankees that did not win a World Series with the franchise. The Yankees' lifer put together some phenomenal seasons
Blast from the past: Yankees nearly traded Don Mattingly in his prime for NL slugger
Yankees retired numbers: A look at all of the jersey numbers players cannot wear in the Bronx
Paul O'Neill's No. 21 to be retired by Yankees
A New Look at the New York Yankees