All MLB Logos as Red Cs (explanation in comments) : r/baseball
UNOFFICiAL ATHLETIC New York Islanders Rebrand
New York Sports Club to Rebrand Most of Its Clubs Under One Name as It Rebuilds
The Yankees Are Sell Outs - Will Add Sponsor Patches To Iconic Jersey – OutKick
Bowen Hobbs Redesigns the NFL, Volume II – Uni Watch
UNOFFICiAL ATHLETIC Carolina Panthers Rebrand
UNOFFICiAL ATHLETIC New York Giants Rebrand
National Football League / Useful Notes - TV Tropes
Share your creations [new teams/logos/uniforms] - Page 20 - Operation Sports Forums
Major League Baseball / Useful Notes - TV Tropes
3 Days That Rocked the World of Native American Sports Imagery
New York Yankees @ Oakland Athletics: Lineups, how to watch, TV channel - Pinstripe Alley
Game #126: New York Yankees vs. Oakland Athletics - Athletics Nation
Yankees announce jersey sleeve patch sponsor in evil All-Star Game news dump
New York Yankees add insurance company logo patch to iconic uniforms