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Jackie Robinson's Long Fight Against Discrimination, by Seth S. Tannenbaum, Weekend Caucus
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Best current MLB players at each jersey number, 1-97
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Jackie Robinson Day: Every MLB player will wear No. 42 to honor baseball icon
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Now honoring No. 42: Jackie Robinson Day in Major League Baseball - Deseret News
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Marlins focus on youth for Jackie Robinson Day
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What the Yankees' uniform number crunch could cost MLB's managers and coaches - The Athletic
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April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research
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Roberto Clemente: Cincinnati Reds' José De León wants MLB to retire 21
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The only day MLB players can wear No. 42? Jackie Robinson Day
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It's a huge privilege' to wear Jackie Robinson's No. 42
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Shop Exclusive Jackie Robinson - Jerseys, Hats, Shirts - JRM
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Betting On Baseball And 42 Prop Bets In Honor Of Jackie Robinson Day
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Major League Baseball remembers No. 42 Jackie Robinson – The Denver Post