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

MLB's Pirates will honor Roberto Clemente by wearing his number

Nats DH Cruz, other Clemente Award winners wear '21' on caps

Roberto Clemente: Remembering the Pirates Hall of Famer 50 years after his death – Boston 25 News

Bednar named Pirates' Roberto Clemente Award nominee, Sports

Lindor, Báez among MLB players honoring Roberto Clemente on Wednesday

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

MLB - Today, we celebrate the everlasting legacy of Roberto Clemente. #ClementeDay

ESPN: MLB to allow Pirates, Puerto Rican players, award nominees to wear No. 21 on Roberto Clemente Day

Roberto Clemente, A for Athlete

MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21