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April 16, 2023, Los Angeles, CA, USA: Mookie Betts (left) as well as all his teammates and fellow MLB players wear number 42 in honor of Jackie Robinson on Jackie Robinson Night
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MLB teams honor Jackie Robinson 76 years after he broke the color barrier - CBS New York
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Podcast: Jackie Robinson breaks baseball's color barrier
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All of MLB to wear Jackie Robinson's No. 42 in Dodger Blue on April 15 - ESPN
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Jackie Robinson Day 2020, All Players Wearing #42 and Patches Today – SportsLogos.Net News
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After Jackie Robinson, MLB integration was halting - The Washington Post
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A very special Jackie Robinson Day to celebrate the 75th Anniversary of Jackie joining MLB
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The Red Sox And All MLB Teams Celebrate Diversity On Jackie Robinson Day By Wearing #42
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Baseball Hall of Fame: Best player with every uniform number
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Robinson's 42 In Dodger Blue For All Uniforms On April 15
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Diversity Study Finds Percentage of Black MLB Players at Another Record Low
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The Greatest MLB Players of All Time to Wear Each Number from 1 to 50, News, Scores, Highlights, Stats, and Rumors
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Uniform number (Major League Baseball) - Wikipedia
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What Happens to All Those No. 42 Jerseys? - The New York Times