Altoona Curve honors Pirates legend Roberto Clemente, retires No. 21
For the 'Great One': Pirates, MLB honor Roberto Clemente
It's time for Roberto Clemente's No. 21 to be retired across baseball - Bucs Dugout
Bednar named Pirates' Roberto Clemente Award nominee, Sports
Curve to retire No. 21, honor Roberto Clemente and family
Pittsburgh Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente
Roberto Clemente Day: Pirates and Mets wear 21
Roberto Clemente honors pirates star
50 years after his death, family and friends honor Pirates star and humanitarian Roberto Clemente — 'part of the soul of everybody in the city' - Pittsburgh Union Progress
Pittsburgh Pirates to wear No. 21 on sept 9 to honor Roberto Clemente
For the 'Great One'; Pirates, MLB honor Roberto Clemente