Robinson's 42 In Dodger Blue For All Uniforms On April 15

Why are MLB players wearing No. 42 jerseys today?

April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research

Robinson's 42 in Dodger blue for all uniforms on April 15

MLB players to wear No. 42 — in Dodger blue — for 75th anniversary of Jackie Robinson's big league debut

All uniforms to have Robinson's No. 42 in Dodger blue on April 15

Honoring Robinson's Achievement and Carrying On His Legacy - The New York Times

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MLB 2018 holiday uniforms unveiled, by Rowan Kavner

Robinson's 42 In Dodger Blue For All Uniforms On April 15

All MLB Players to Wear No. 42 in Dodger Blue on Jackie Robinson Day

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MLB: Jackie Robinson Day honored with players wearing #42 jerseys