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The only day MLB players can wear No. 42? Jackie Robinson Day
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Jackie Robinson Day 2020, All Players Wearing #42 and Patches Today – SportsLogos.Net News
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MLB allows more players to wear No. 21 to honor Roberto Clemente – NBC Sports Chicago
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Major League Baseball celebrates 75th anniversary of Jackie Robinson's debut
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Jackie Robinson's No. 42 is retired to honor the man who broke the color barrier in baseball in 1947.
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Jersey number 42 hi-res stock photography and images - Alamy
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Jackie Robinson Day 2019: How Sports World Is Honoring MLB Icon, News, Scores, Highlights, Stats, and Rumors
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Honoring Robinson's Achievement and Carrying On His Legacy - The New York Times
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Jackie Robinson Day kicks off with Red Sox, Rays sporting No. 42 at Fenway Park
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Red Sox Jackie Robinson jerseys: How to buy jerseys and hats honoring the 75th Anniversary of Robinson breaking baseball's color barrier
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A detailed account of Jackie Robinson's first day in the Majors, by Jon Weisman