2023 MLB rule changes. How will each affect the Seattle Mariners?
MLB Passes Major Rule Changes for 2023 Season - Sports Illustrated
MLB Uniform Changes: Clubs will be restricted to four distinct uniforms for the 2023 season
MLB teams will be limited to four different uniforms in 2023 - Bleed Cubbie Blue
Why are the Seattle Mariners Getting Rid of their Gray Jersey?!
Seattle Mariners - Wikipedia
Nike reportedly wants only four jerseys per MLB team - Battery Power
MLB Passes Major Rule Changes for 2023 Season - Sports Illustrated
When will the Phillies get 'City Connect' uniforms? Phillies Nation - Your source for Philadelphia Phillies news, opinion, history, rumors, events, and other fun stuff.
Ranking the top 10 MLB road uniforms for 2021