Retired Uniform Numbers in the National League

What the Yankees' uniform number crunch could cost MLB's managers and coaches - The Athletic

How players are using uniform numbers to break MLB's unwritten rules - ESPN

Mets to retire numbers for Doc Gooden and Darryl Strawberry – NBC New York

History of retired numbers dates back to Lou Gehrig Day

Tennessee Retired Jerseys - University of Tennessee Athletics

Matt Winer on X: The @nba announces jersey Number 6 to be retired league wide to honor the late Bill Russell…unprecedented in NBA history. / X

Bill Russell's No. 6 Joins Rare Class of Retired Jersey Numbers - The New York Times

National Baseball Hall of Fame - Dressed to the Nines - Parts of the Uniform

Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News