Mariners to Wear Seattle Steelheads Uniforms May 16 vs. Boston

Seattle Mariners Uniform Lineup

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

68 Game-Used Seattle Steelheads Uniform - Pants, Cap, Team-Issued Jersey

Mariners New City Connect Uniform Taps Into City's Long Baseball History – SportsLogos.Net News

Mariners debut latest City Connect uniforms

Mariners, Cardinals to wear 1984 throwbacks

Julio Rodriguez Game Used Seattle Steelheads Uniform - 6/17/23

Felix falters as Mariners lose, Professional Sports

Paul Lukas on X: Mariners planning to wear 1946 Seattle Steelheads throwbacks for Salute to the Negro Leagues on June 20 vs. Royals, who will wear KC Monarchs throwbacks. / X