Pirates wear No. 21 to honor Roberto Clemente
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News
The Athletic] The Yankees have asked MLB if they can stop issuing uniform numbers to their manager and coaches because they're running out of numbers that aren't retired : r/baseball
MLB allows more players to wear No. 21 to honor Roberto Clemente – NBC Sports Chicago
ESPN: MLB to allow Pirates, Puerto Rican players, award nominees to wear No. 21 on Roberto Clemente Day
Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN
Nats DH Cruz, other Clemente Award winners wear '21' on caps
Padres should retire Caminiti's #21 before it's too late
Mlb patch hi-res stock photography and images - Alamy
Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News
How MLB Is Celebrating Roberto Clemente Day During 2022 Season
Roberto Clemente Day celebrated around MLB in 2023