MLB giving Roberto Clemente Award winners new patch for caps - ESPN
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
Pirates, MLB Celebrate 20th Annual Roberto Clemente Day
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
Pirates to once again wear No. 21 for Roberto Clemente Day
Pirates honoring life and legacy of Roberto Clemente with numerous Clemente Day events and activities - CBS Pittsburgh
Pirates wear No. 21 to honor Roberto Clemente
Pittsburgh Pirates, New York Mets players, coaches to all wear No. 21 on Roberto Clemente Day - ESPN
Pirates wear No. 21 to honor Roberto Clemente
Roberto Clemente Award winners wear Pirates legend's 21 on caps
Baseball Celebrates Clemente with “21” Patches; Pirates and Award Winners All Wearing #21 – SportsLogos.Net News
Nats DH Cruz, other Clemente Award winners wear '21' on caps