Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN

MLB allows more players to wear No. 21 to honor Roberto Clemente – NBC Sports Chicago

Puerto Rican Twins don No. 21 in tribute to Roberto Clemente – Twin Cities

Roberto Clemente day: Puerto Rican MLB players, Pirates wear No. 21

Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN

Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News

Puerto Rican Astros to wear No. 21 Wednesday in honor of Roberto Clemente

Pittsburgh Pirates each don No. 21 to honor Roberto Clemente - ESPN

Roberto Clemente and the magic of No. 21 - MLB - ESPN

Men's Pittsburgh Pirates Roberto Clemente Nike Gray Road Cooperstown Collection Player Jersey

Rangers, MLB honor late Hall of Famer Roberto Clemente with uniform patch, jersey numbers

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