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Why are MLB players wearing No. 42 jerseys today?
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Mr. Nussbaum - Jackie Robinson Biography
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10 Things You Didn't Know About Jackie Robinson - Silver Dolphin Books
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Jackie Robinson Biography, Statistics, Number, Facts, & Legacy
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UCLA honors Jackie Robinson by retiring 42 across all sports
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Donaldson, Yankees Fans Made Jackie Robinson's Name a Slur
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Jackie Robinson Day - Wikipedia
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Shortstops: The guts not to fight
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SF Giants' Ortiz, García to wear No. 21 on Roberto Clemente Day
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42 facts about Jackie Robinson to celebrate the 75th anniversary
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Jackie Robinson Facts
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MLB players to wear #42 Monday to honor Jackie Robinson Day