Jackie Robinson Day: Red Sox uniforms will feature blue 42s to commemorate the 75th anniversary of MLB's color barrier being broken

All of MLB to wear Jackie Robinson's No. 42 in Dodger Blue on April 15 - ESPN

Dodgers: MLB Celebrates 75th Anniversary of Jackie Robinson Breaking Color Barrier - Inside the Dodgers

MLB on X: To honor the 75th anniversary of Jackie Robinson breaking the color barrier, the @Dodgers and @Royals are wearing throwback uniforms tonight! / X