MLB allows more players to wear No. 21 to honor Roberto Clemente – NBC Sports Chicago
Baseball Celebrates Clemente with “21” Patches; Pirates and Award Winners All Wearing #21 – SportsLogos.Net News
Roberto Clemente – The Cardinal
Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
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Was Roberto Clemente the Best MLB Player to Wear No. 21?
Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
2021 Roberto Clemente Day Through Photos
New Jersey politicians move to retire Roberto Clemente's No. 21 across all of baseball
UNIQORN/Results/KG/LC-QuAD2.0.json at main · ajesujoba/UNIQORN · GitHub
An exceptional baseball player and committed humanitarian, Roberto Clemente on AMERICAN EXPERIENCE - Oct. 23 at 11 pm - WOUB Public Media
Sources: Puerto Rican MLBers can wear No. 21 - Mountain Top Media
Bednar '17 Named 2022 Roberto Clemente Award Finalist - Lafayette College Athletics
MLB expands list of who can wear No. 21 to honor Roberto Clemente on Sept. 15 - ESPN
Tampa Bay Rays honor Roberto Clemente by starting nine Latin American position players - The Boston Globe