The Past Meets the Present in New Alternate Uniform, by Mariners PR
SEATTLE MARINERS 20TH ANNIVERSARY UPPER DECK INSPIRED NEW ERA FITTED CAP - ShopperBoard
TridentTrue: Seattle Mariners Rebrand Concept – Brad McLeod
Here's a look at the Mariners' new City Connect uniforms and the story behind them
Major League Baseball / Useful Notes - TV Tropes
UNOFFICiAL ATHLETIC
Here's a look at the Mariners' new City Connect uniforms and the story behind them
All MLB Logos as Red Cs (explanation in comments) : r/baseball
UNOFFICiAL ATHLETIC Seattle Mariners Rebrand
TridentTrue: Seattle Mariners Rebrand Concept – Brad McLeod
Bowen Hobbs Redesigns MLB, AL Edition