The Mariners are these wearing throwback uniforms vs the Rays

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

Ranking all 30 MLB teams' uniforms - Fish Stripes

Tampa Bay Rays Will Wear Throwback Uniforms in Game 1 Against Texas Rangers - Fastball

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

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

Rays pitchers wear first-pitch strike shirts

Mariners' Ray through 6 no-hit innings vs Angels

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

Ranking MLB's all-time greatest uniforms - ESPN

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

The throwback uniforms we'd love to see from American League teams in 2017