Pirates will wear Roberto Clemente No. 21
Roberto Clemente and the magic of No. 21 - MLB - ESPN
Clemente Award winners will have 21 on caps for entire MLB career
Roberto Clemente day: Puerto Rican MLB players, Pirates wear No. 21
Roberto Clemente, Pittsburgh's Hero
Mets, Pirates to Wear No. 21 on Clemente Day - Metsmerized Online
Roberto Clemente Day celebrated around MLB in 2023
Sources: MLB letting more players to wear No. 21 for Clemente Day
Roberto Clemente Day: Brent Suter celebrates MLB legend, wears No. 21
MLB Celebrates Roberto Clemente Day
Yankees rally in the ninth to slip past the Pittsburgh Pirates 7-5
Roberto Clemente Day: Pirates and Mets wear 21