Pittsburgh Pirates to wear No. 21 on sept 9 to honor Roberto Clemente
Houston Astros: 8 players don No. 21 on Roberto Clemente Day
Pirates will wear Roberto Clemente No. 21
Five Astros wear No. 21 on Roberto Clemente Day
Outside The Confines: Everyone wore 21 - Bleed Cubbie Blue
MLB celebrates Roberto Clemente Day to commemorate 50 years since the Hall of Famer's passing
MLB celebrates Roberto Clemente Day, ceremony at Citi Field
MLB celebrates Roberto Clemente Day
Roberto Clemente: Cincinnati Reds' José De León wants MLB to retire 21
MLB's Pirates will honor Roberto Clemente by wearing his number
MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21