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

Bryan Woo Game Used Seattle Steelheads Uniform - 6/17/23

Mariners debut latest City Connect uniforms

Mariners Jersey Tracker (@MarinersJerseys) / X

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

Back-and-forth slugfest helps Mariners avoid road sweep

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

MARINERS REVEAL NEW UNIFORMS AND SPECIALITY JERSEYS

Seattle Mariners unveil new spring training uniforms

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

Remembering the Steelheads, Seattle's Negro League Team - Seattle magazine

Mariners debut latest City Connect uniforms

New Sunday Uniforms for the Mariners. Blue and yellow brought back on a slightly off-white base. No names on back. : r/baseball

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

The Uni Watch 2023 MLB Season Preview - by Paul Lukas