Looking back at Mariners' 'Turn Ahead the Clock' uniforms on 25th anniversary, Mariners
The Royals unveiled their new Turn Ahead the Clock uniforms, complete with crown-style helmet
Baseball Uniforms in the Future: What Might They Look Like Two Decades from Now? – Society for American Baseball Research
Here's the story behind the Mariners' amazing sleeveless jerseys
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In 1999, baseball imagined the world of 2021, and it looked weird. The 'Turn Ahead the Clock' promo, revisited - The Athletic
Mariners throw it back to Turn Ahead the Clock Night
MLB Power Rankings: Mariners, Dodgers see some gains; We make a team-themed '90s playlist - The Athletic
Remembering Turn Ahead the Clock Night with the Royals and Mariners - Royals Review
Seattle Mariners turn ahead clock, again, to 2027 and the fun is in the geeky, futuristic details – GeekWire
Uni Watch: Looking back at the M's future - ESPN Page 2