Yankees Retired Numbers - Who Are The 22 Yankees Who Wore Them
As Paul O'Neill's No. 21 Is Retired, One Last Kick of a Water Cooler - The New York Times
NBA jersey retirements: Kobe's two numbers, Jordan's jersey in Miami without playing and other curiosities
MLB Jersey Numbers (@NumbersMLB) / X
Retired Uniform Numbers in the American League
Future MLB jersey numbers likely to be retired
Yankees Retired Numbers
Players now have jersey numbers, and teams can retire jersey numbers of former players « Blog « ZenGM
Twins to retire number for Hall of Fame-elected Kaat - NBC Sports
Infographic: Retired numbers in baseball Rockies baseball, Baseball teams logo, Baseball history
Manager Numbers. Had a little fun over at MLB — I picked…, by Joe Posnanski, Joe Blogs
On the Yankees, retired numbers and a solution in search of a problem
Yankees Retired Numbers
Ranking MLB's all-time greatest uniforms - ESPN
List of Major League Baseball retired numbers - Wikipedia