For the 'Great One': Pirates, MLB honor Roberto Clemente
Roberto Clemente Award winners wear Pirates legend's 21 on caps
Pittsburgh Pirates to wear No. 21 on Roberto Clemente Day
MLB Honors Roberto Clemente Day Major League Baseball, News
Senate resolution honoring Pirates baseball legend Roberto Clemente
Some MLB Players Wearing #21, All Wearing 21 Patches Today for
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of
Roberto Clemente day: Puerto Rican MLB players, Pirates wear No
Sources: MLB letting more players to wear No. 21 for Clemente Day
Baseball Celebrates Clemente with “21” Patches; Pirates and Award
Some MLB Players Wearing #21, All Wearing 21 Patches Today for