All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
MLB giving Roberto Clemente Award winners new patch for caps - ESPN
Pirates, Mets wear 21 on Roberto Clemente Day
Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
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Baseball Celebrates Clemente with “21” Patches; Pirates and Award Winners All Wearing #21 – SportsLogos.Net News
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
Baseball Celebrates Clemente with “21” Patches; Pirates and Award Winners All Wearing #21 – SportsLogos.Net News
A Mystery Surrounding the Roberto Clemente '21' Patch
Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente – KXAN Austin
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day : r/sportsthreads
Baseball Celebrates Clemente with “21” Patches; Pirates and Award Winners All Wearing #21 – SportsLogos.Net News
New Jersey politicians move to retire Roberto Clemente's No. 21 across all of baseball
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
Pirates, Mets wear 21 on Roberto Clemente Day