History of retired numbers dates back to Lou Gehrig Day
The Greatest MLB Players of All Time to Wear Each Number from 1 to 50, News, Scores, Highlights, Stats, and Rumors
A little group of collages I made featuring the most retired numbers in baseball : r/baseball
Hank Aaron, Biography, Baseball, & Facts
NBA Retires Bill Russell's Number 6 League-Wide, Memorial Patches for All Teams in 2022-23 – SportsLogos.Net News
Retired Uniforms by Division: National League West - Beyond the Box Score
Retired Numbers Seattle Mariners
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
Banks, Ernie #14 - Game Played Relic – Stadium Pen Blanks