Pirates celebrate Roberto Clemente Day 2020
Rays Star Calls Wearing No. 21 on Roberto Clemente Day 'An Honor
ESPN: MLB to allow Pirates, Puerto Rican players, award nominees to wear No. 21 on Roberto Clemente Day
Pirates will honour Roberto Clemente by wearing his No. 21 on Clemente Day - Article - Bardown
Sources: MLB letting more players to wear No. 21 for Clemente Day
Roberto Clemente and the magic of No. 21 - MLB - ESPN
Roberto Clemente Day: MLB expands list of who can wear No. 21 to Pirates, Puerto Rican players, award nominees
Houston Astros: 8 players don No. 21 on Roberto Clemente Day
MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21
Pittsburgh Pirates each don No. 21 to honor Roberto Clemente - ESPN
Pirates wear No. 21 to honor Roberto Clemente
Why are MLB players wearing 21? Tributes around the league for Pirates legend explained
Five Astros wear No. 21 on Roberto Clemente Day
Pittsburgh Pirates each don No. 21 to honor Roberto Clemente - ESPN