Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente

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

Why are MLB players wearing 21? Tributes around the league for Pirates legend explained

Pittsburgh Pirates Celebrate Roberto Clemente Day By Wearing His Number

New York Yankees' Aaron Judge, left, warms up wearing the number 21 in honor of Roberto Clemente Day before a baseball game against the Pittsburgh Pirates in Pittsburgh, Friday, Sept. 15, 2023. (

Pirates would again like to wear No. 21 in 2021

Roberto Clemente Day: Pirates and Mets wear 21

For the 'Great One'; Pirates, MLB honor Roberto Clemente

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Puerto Rican players follow Pirates' push to wear No. 21, celebrate Roberto Clemente