Some MLB Players Wearing #21, All Wearing 21 Patches Today for
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
MLB celebrates Roberto Clemente Day as players wear No. 21, call for number to be retired
How Phillies players are honoring Roberto Clemente as part of MLB-wide effort – NBC Sports Philadelphia
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Report: Puerto Rican MLB Players Allowed to Wear No. 21 on Roberto Clemente Day, News, Scores, Highlights, Stats, and Rumors