Roberto Clemente day: Puerto Rican MLB players, Pirates wear No. 21
Retire 21: Supporters Seek To Honor Baseball Legacy Of Roberto Clemente
All Puerto Rican players can wear 21 on Roberto Clemente Day
Roberto Clemente Day to Be Held Throughout MLB on Thursday – NBC Bay Area
Lindor, Carrasco shine on Clemente Day, Mets beat Pirates 7-1 - NBC Sports
Entire Pirates team will wear No. 21 to honor Roberto Clemente
Pirates will wear Roberto Clemente No. 21
MLB's Pirates will honor Roberto Clemente by wearing his number
Pirates Celebrate Roberto Clemente Day, WESB B107.5-FM/1490-AM