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

Mariners, Cardinals to wear 1984 throwbacks

The Mariners are these wearing throwback uniforms vs the Rays today to honor the Seattle Steelheads, a former Negro League team : r/baseball

Mariners unveil City Connect jerseys paying homage to Seattle

Ortiz, Sandoval power Red Sox past King Felix, Mariners 4-2

Mariners slug four homers to beat A's 8-2, snap 3-game skid

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

MARINERS BRING BACK PAT SHEA

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

Seattle Steelheads Jersey Julio Rodriguez Negro Leagues Seattle Mariners

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