Major League Baseball marks Roberto Clemente Day with ceremony at Citi Field - ESPN
MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21
New York Yankees' Aaron Judge waits on deck, wearing the number 21 in honor of Roberto Clemente Day, during the first inning of a baseball game against the Pittsburgh Pirates in Pittsburgh
Oakland A's: Happy Roberto Clemente Day! - Athletics Nation
For the 'Great One'; Pirates, MLB honor Roberto Clemente
All Puerto Rican players can wear 21 on Clemente Day
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
Roberto Clemente and the magic of No. 21 - MLB - ESPN
Pittsburgh Pirates Celebrate Roberto Clemente Day By Wearing His Number
Remembering Roberto Clemente as a Black man who fought against racial injustice - Los Angeles Times