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ESPN: MLB to allow Pirates, Puerto Rican players, award nominees to wear No. 21 on Roberto Clemente Day
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Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
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Roberto Clemente's death 50 years ago forever changed his son, a former Phillies minor leaguer
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MLB celebrates Roberto Clemente Day, ceremony at Citi Field - CBS Pittsburgh
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MLB celebrates Roberto Clemente Day
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Roberto Clemente in Retrospect - Pittsburgh Quarterly
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Ríos, Hernández to wear uniform No. 21 on Roberto Clemente Day, by Rowan Kavner
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Fightins to Retire Roberto Clemente's #21
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Living out the legacy: Curve retire No. 21 as reminder of Clemente's greatness
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Carlos Delgado says MLB should retire Roberto Clemente's No. 21
![It's time for Roberto Clemente's No. 21 to be retired across](https://upload.wikimedia.org/wikipedia/commons/3/3a/Roberto_Clemente_1965.jpg)
Roberto Clemente - Wikipedia
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Francisco lindor sets home run record, win on Roberto Clemente Day