MLB allows more players to wear No. 21 to honor Roberto Clemente
ESPN: MLB to allow Pirates, Puerto Rican players, award nominees to wear No. 21 on Roberto Clemente Day
Pirates Players Will Wear No. 21 on Sept. 9 to Honor Roberto Clemente, News, Scores, Highlights, Stats, and Rumors
Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
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Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
Curve to retire No. 21, honor Roberto Clemente and family
MLB gets it right with Roberto Clemente No. 21 jersey policy
Puerto Rican MLB players can wear number 21 on Clemente Day
Roberto Clemente's #21 To Be Worn By All Pittsburgh Pirates For Clemente Day
MLB Celebrates Roberto Clemente Day
Carlos Delgado says MLB should retire Roberto Clemente's No. 21
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
MLB celebrates Roberto Clemente Day, ceremony at Citi Field