Pittsburgh Pirates each don No. 21 to honor Roberto Clemente - ESPN
Don Nottebart - Wikipedia
How Puerto Rican Baseball Icon Roberto Clemente Left a Legacy Off the Field
Houston Astros' Jose Altuve to be recognized as nominee for Major League Baseball's 2022 Roberto Clemente Award at Minute Maid - ABC13 Houston
Murphy Hits Homer, Two-Run Single, A's Take 1st From Astros – NBC Bay Area
Roberto Clemente honors pirates star
Díaz homers in 7th to break tie, Astros beat A's 5-2
Pirates, Mets wear 21 on Roberto Clemente Day
Betts homers, Dodgers beat Astros 8-1; LA fans still sore