MLB on X: Every September 15 we celebrate Roberto Clemente to
MLB celebrates Roberto Clemente Day, ceremony at Citi Field
Pirates honoring life and legacy of Roberto Clemente with numerous
Remembering the '71 Pirates, 'the team that changed baseball
MLB Celebrates Legacy of Roberto Clemente – Think Blue Planning
Pirates to once again wear No. 21 for Roberto Clemente Day
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of
MLB Network adjusts with unique celebration, presentation of
Roberto Clemente Day: Pirates and Mets wear 21