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Roberto Clemente: Cincinnati Reds' José De León wants MLB to retire 21
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Uniform number (Major League Baseball) - Wikiwand
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Why are MLB players wearing 21? Tributes around the league for Pirates legend explained
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Today Is Roberto Clemente Day
![Some MLB Players Wearing #21, All Wearing 21 Patches Today for](https://www.twincities.com/wp-content/uploads/2022/09/GettyImages-1243266378.jpg?w=978)
Puerto Rican Twins don No. 21 in tribute to Roberto Clemente – Twin Cities
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Why are Boston Red Sox players, coaches wearing No. 21? Kiké Hernández, Alex Cora and others honoring Roberto Clemente
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Today Is Roberto Clemente Day
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Are We Finally Getting a Roberto Clemente Biopic?
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Brent Suter: Brewers Roberto Clemente Award nominee for 2022
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Jackie Robinson Day - Wikipedia
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Blue Jays players, personnel wear No. 21 in honour of Roberto Clemente