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Last player to wear No. 42 for each MLB team
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List of Major League Baseball retired numbers - Wikipedia
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Your Outsports LGBTQ Guide to the 2022 MLB Season - Outsports
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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 Puerto Rican players to wear No. 21 on Roberto Clemente Day - ESPN
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Pirates wear No. 21 to honor Roberto Clemente
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Roberto Clemente Day celebration around MLB
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Blue Jays retire Roy Halladay's No. 32 before Opening Day game vs. Yankees – New York Daily News
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The best celebrations of the 2023 MLB season, so far
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Mets honor Roberto Clemente at Citi Field
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Aaron Judge Pays Tribute to Roberto Clemente With His Cleats - Sports Illustrated FanNation Kicks News, Analysis and More
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Pirates, Mets wear 21 on Roberto Clemente Day