To Pirates catcher Michael Perez, wearing No. 21 'very special
Pirates, Mets wear 21 on Roberto Clemente Day
Pirates' Gregory Polanco on Roberto Clemente: 'He's our Jackie
Tampa Bay Rays make baseball history in Toronto by fielding MLB's
El Magnífico
James McCann homers twice, White Sox top Pirates on Roberto
MLB Celebrates Roberto Clemente Day
MLB great Roberto Clemente remains Latino legend 50 years after
Puerto Rican MLB players can wear number 21 on Clemente Day
Roberto Clemente - Wikipedia
MLB misuses Clemente's image in their locking out of the Players
Roberto Clemente day: Puerto Rican MLB players, Pirates wear No. 21
Roberto Clemente's legacy celebrated in N.Y., Puerto Rico
Pirates, Mets wear 21 on Roberto Clemente Day
Roberto Clemente day: Puerto Rican MLB players, Pirates wear No