Mariners to Wear Seattle Steelheads Uniforms May 16 vs. Boston, by Mariners PR

Mariners should replace their Sunday cream jerseys with throwback white trident jerseys for the new Era (don't mind the poor photoshop) : r/Mariners

Red Sox, Mariners To Wear Negro League Throwbacks May 16 In Seattle (Photos)

Here's a look at the Mariners' new City Connect uniforms and the story behind them

Gallery: Mariners break out City Connect uniforms for 1st time - Seattle Sports

Mariners win on walk off in 10th inning vs. Rays

History:  The West Coast Baseball Association was an attempt at a western Negro League competitor, but it only lasted one season. The Seattle entry in the league was actually Abe Saperstein's Harlem Globetrotter baseball team under a new name, that of a local variety of salmon.

Ebbets Field Flannels Seattle Steelheads 1946 Home Jersey

Mariners Game Notes: M's Turn Back the Clock on Saturday Night

Seattle Mariners' Dustin Ackley batting against the Boston Red Sox in a baseball game on Saturday, May 16, 2015, in Seattle. Both teams are wearing uniforms of Negro League teams of 1946

Gallery: Mariners break out City Connect uniforms for 1st time - Seattle Sports

Order your 2023 Nike Seattle Mariners City Connect gear today

Seattle Mariners Add (and Add) to Their Core Strength - The New York Times

The Uni Watch 2023 MLB Season Preview - by Paul Lukas

Seattle Steelheads Jersey Julio Rodriguez Negro Leagues Seattle Mariners

Julio Rodriguez Game-Used Steelheads Uniform - Jersey, Pants, Cap