Jackie Robinson Day, when MLB players can wear No. 42
Dodgers, MLB to mark Jackie Robinson Day
MLB honors Jackie Robinson Day and pays tribute to his barrier-breaking career
Jackie Robinson's No. 42 is retired to honor the man who broke the color barrier in baseball in 1947.
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Jackie Robinson Day extends into orbit
Now honoring No. 42: Jackie Robinson Day in majors - The San Diego Union-Tribune
Robinson's 42 In Dodger Blue For All Uniforms On April 15
Washington Nationals celebrate Jackie Robinson Day
Rays to celebrate Jackie Robinson Breaking Barriers day on Saturday
Honoring Robinson's Achievement and Carrying On His Legacy - The New York Times
The Continued Importance of Jackie Robinson Day and His Legacy - KRUI Radio
How the Braves will honor Jackie Robinson Day in 2019
MLB celebrates timely Jackie Robinson Day