Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente

Pittsburgh Pirates to honor Roberto Clemente in perfect way

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

Pittsburgh Pirates to wear No. 21 on Roberto Clemente Day

Ríos, Hernández to wear uniform No. 21 on Roberto Clemente Day, by Rowan Kavner

For the 'Great One'; Pirates, MLB honor Roberto Clemente

Puerto Rican players follow Pirates' push to wear No. 21, celebrate Roberto Clemente

Entire Pirates team will wear No. 21 to honor Roberto Clemente

For the 'Great One'; Pirates, MLB honor Roberto Clemente

Pirates honor 'The Great One' on Roberto Clemente Day (Video)