MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21
MLB's Pirates will honor Roberto Clemente by wearing his number
Pittsburgh Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente
MLB Clemente Award winners wear his 21 on caps for careers
For the 'Great One'; Pirates, MLB honor Roberto Clemente
Pirates to once again wear No. 21 for Roberto Clemente Day
MLB's Pirates will honor Roberto Clemente by wearing his number
Roberto Clemente's No. 21 is 'retired in our hearts' but not on most MLB rosters - The Athletic
Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
FOCO Releases Bobbleheads, Embroidered Bear For Roberto Clemente Day
For the 'Great One': Pirates, MLB honor Roberto Clemente