Pittsburgh Pirates each don No. 21 to honor Roberto Clemente - ESPN
Pittsburgh Pirates Roberto Clemente number 21 should be retired - ESPN - OneNacion Blog- ESPN
ESPN: MLB to allow Pirates, Puerto Rican players, award nominees to wear No. 21 on Roberto Clemente Day
Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
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Watch Roberto Clemente, American Experience, Official Site
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
Puerto Rican players follow Pirates' push to wear No. 21, celebrate Roberto Clemente
MLB: All-Time #MLBRank, Nos. 20-11 - ESPN
Roberto Clemente's #21 To Be Worn By All Pittsburgh Pirates For Clemente Day
ESPN: MLB to allow Pirates, Puerto Rican players, award nominees to wear No. 21 on Roberto Clemente Day
Pirates wear No. 21 to honor Roberto Clemente
Pittsburgh Pirates each don No. 21 to honor Roberto Clemente - ESPN
Pirates walk off on Roberto Clemente Day as push to retire his No. 21 continues
Roberto Clemente, Pittsburgh's Hero
Pittsburgh Pirates, New York Mets players, coaches to all wear No. 21 on Roberto Clemente Day - ESPN
