Talkin' Baseball on X: The Mariners are honoring the Negro Leagues with Seattle Steelheads uniforms today / X

The Mariners are these wearing throwback uniforms vs the Rays

Salute to the Negro Leagues: A Juneteenth Celebration

The Mariners are these wearing throwback uniforms vs the Rays

The Mariners are these wearing throwback uniforms vs the Rays

It's what we all aspire to be': Dave Sims is a beacon in

The Mariners are these wearing throwback uniforms vs the Rays

MLB on X: The Giants and Mariners paid tribute to the Negro

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 City Connect uniforms unveiled

The Mariners are these wearing throwback uniforms vs the Rays

Seattle Mariners on X: “It's not just my history. It's baseball's

Seattle Mariners City Connect Breakdown: The story behind new

Terrific Seattle Steelheads Negro League jerseys that the

MLB on X: The Giants and Mariners paid tribute to the Negro