MLB Uniform Changes: Clubs will be restricted to four distinct

MLB allows more players to wear No. 21 to honor Roberto Clemente – NBC Sports Chicago

Red Sox will not be affected by MLB's new uniform rules in 2023 – Blogging the Red Sox

MLB 2023 rule changes: pitch timer, larger bases, shifts

MLB Players React to the Pitch Clock and Baseballs' New Rules - The New York Times

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

Arizona Cardinals unveil new uniforms for the 2023 season

Red Sox uniforms will be unaffected by new MLB rules in 2023

MLB uniforms: The more things stay the same, the more they change – MATT VEASEY

Ranking MLB's City Connect uniforms - ESPN

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