San Francisco 49ers - Wikipedia
Throwback uniform - Wikipedia
File:US Navy 070919-N-5319A-011 A Sailor shows off the prototype uniform for service dress khaki, a throwback to the traditional WWII style uniform.jpg - Wikipedia
What if the Chiefs wore (for a game) a throwback jersey to the 1925 Kansas City Cowboys? : r/KansasCityChiefs
Cincinnati Reds throwback uniforms - 1939 vs. 1936 - Red Reporter
NFL Color Rush - Wikipedia
File:Gopher Hockey Uniforms 2020-21.svg - Wikipedia
File:Redskins vs Giants line of scrimmage throwbacks.jpg - Wikipedia
TIL: As a Swedish Eagles fan since Cunningham was playing, I found out the yellow and blue throwback jerseys was a homage to the first Swedish settlers of Pennsylvania. Found it really
Denver Broncos - Wikipedia