Five Astros wear No. 21 on Roberto Clemente Day
Roberto Clemente, Humanitarian – Society for American Baseball
Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente - The
Curve Set to Retire No. 21 In Honor of Roberto Clemente
Roberto Clemente National Museum of American History
Hispanic Heritage- The Legacy of Roberto Clemente – Norse Notes
MLB remembers the legacy of Roberto Clemente
Building Nations of Good - Roberto Clemente Foundation
Florida school district brings back banned Roberto Clemente book