Ríos, Hernández to wear uniform No. 21 on Roberto Clemente Day, by Rowan Kavner
Pirates players, coaches honored to wear No. 21 in celebration of Roberto Clemente Day
MLB allows Puerto Rican players to wear No. 21 on Roberto Clemente Day - ESPN
Cubs' Javier Baez honored to wear No. 21 on Roberto Clemente Day
Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente - NBC Sports
Oakland A's: Happy Roberto Clemente Day! - Athletics Nation
For the 'Great One'; Pirates, MLB honor Roberto Clemente – KXAN Austin
Hall of Fame baseball player Roberto Clemente honored in new Paley Center for Media exhibit - CBS New York
Roberto Clemente day: Puerto Rican MLB players, Pirates wear No. 21
No, we do not need to retire Roberto Clemente's number across baseball - NBC Sports
Wearing Roberto Clemente's No. 21 an honor for Francisco Lindor, Sandy Alomar Jr. and all Puerto Rican-born Cleveland Indians
Houston Astros: 8 players don No. 21 on Roberto Clemente Day
21 things you should know on Roberto Clemente Day