Pirates players, coaches honored to wear No. 21 in celebration of Roberto Clemente Day
Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
21 Facts You May Not Know About Roberto Clemente on the Anniversary of His Debut, News, Scores, Highlights, Stats, and Rumors
A's Vimael Machin 'honored' to wear No. 21 on Roberto Clemente Day
Roberto Clemente Day: Pirates and Mets wear 21
Pirates Players Will Wear No. 21 on Sept. 9 to Honor Roberto Clemente, News, Scores, Highlights, Stats, and Rumors
Pirates to wear Roberto Clemente's number on Sept. 9 - Uniform Authority
For the 'Great One'; Pirates, MLB honor Roberto Clemente
Roberto Clemente Award winners to wear cap patch
For the 'Great One': PittsburghPirates, Major League Baseball honor Roberto Clemente