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Members of Red Sox wear No. 21 with pride on Roberto Clemente Day - The Boston Globe
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Pittsburgh Pirates - Wikipedia
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Roberto Clemente's #21 To Be Worn By All Pittsburgh Pirates For Clemente Day
![Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente - NBC](https://www.pbs.org/wgbh/americanexperience/media/__sized__/canonical_images/feature/Roberto_MVP_Canonical-resize-300x0-50.jpg)
Watch Roberto Clemente, American Experience, Official Site
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All Puerto Rican players can wear 21 on Roberto Clemente Day
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Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente - NBC Sports
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MLB's Pirates will honor Roberto Clemente by wearing his number
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All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
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MLB allows more players to wear No. 21 to honor Roberto Clemente – NBC Sports Chicago
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Pittsburgh Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente
![Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente - NBC](https://cloudfront-us-east-1.images.arcpublishing.com/gmg/RFOTLZJL35GALEYKV3GVAIRXW4.jpg)
MLB celebrates Roberto Clemente Day, ceremony at Citi Field
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Pittsburgh Pirates to wear No. 21 on sept 9 to honor Roberto Clemente
![Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente - NBC](https://media2.s-nbcnews.com/i/newscms/2017_26/2056601/roberto-clemente_5c92ee4a47ce3a347df3886ff0cca3e9.jpg)
MLB's Pirates will honor Roberto Clemente by wearing his number