Mariners to Wear Seattle Steelheads Uniforms May 16 vs. Boston

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

Seattle Mariners Uniform Lineup

Former Seattle Supersonics basketball player Freddy Brown points toward home after throwing out the first pitch before a baseball game between the Seattle Mariners and the Los Angeles Angels, Sunday, June 19

Seattle Mariners City Connect Breakdown: The story behind new uniforms - Seattle Sports

Seattle Mariners' Dustin Ackley connects with a pitch for a double against the Boston Red Sox in a baseball game on Saturday, May 16, 2015, in Seattle. Both teams are wearing uniforms

FanPost Friday: Talk uniform to me - Lookout Landing

Game Recap: Americans fall to Utah 6-4

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

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

Mariners, Cardinals to wear 1984 throwbacks