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21 Facts You May Not Know About Roberto Clemente on the Anniversary of His Debut, News, Scores, Highlights, Stats, and Rumors
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Roberto Clemente, Humanitarian – Society for American Baseball Research
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Roberto Clemente, Pittsburgh's Hero
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Five Astros wear No. 21 on Roberto Clemente Day
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Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
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Roberto Clemente Day Serves as Another Reminder to Retire No. 21
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Remembering the life and legacy of #21 on Roberto Clemente Day
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How Puerto Rican Baseball Icon Roberto Clemente Left a Legacy Off the Field
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Pirates Celebrate Roberto Clemente Day, WESB B107.5-FM/1490-AM
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21 things you should know on Roberto Clemente Day
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Carlos Delgado says MLB should retire Roberto Clemente's No. 21
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MLB allows Puerto Rican players to wear No. 21 on Roberto Clemente Day - ESPN