Pirates will honor Roberto Clemente by wearing his No. 21 on their jerseys - ESPN

MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21

Some MLB Players Wearing #21, All Wearing 21 Patches Today for Roberto Clemente Day – SportsLogos.Net News

Baseball Jersey worn by Pittsburgh Pirate Roberto Clemente

MLB celebrates Roberto Clemente Day

Hot take: Roberto Clemente Day should be just like Jackie Robinson Day💯⚾️ : r/mlb

MLB gets it right with Roberto Clemente No. 21 jersey policy

MLB's Puerto Rican-born players honor Roberto Clemente by wearing 21

MLB celebrates former Pirates great Roberto Clemente Day

Bednar named Pirates' Roberto Clemente Award nominee, Sports

Pirates will wear Roberto Clemente No. 21

Que Viva Clemente! Roberto Lives On in the Hearts of Latino Major Leaguers – Society for American Baseball Research

MLB expands list of who can wear No. 21 to honor Roberto Clemente on Sept. 15 - ESPN

Ríos, Hernández to wear uniform No. 21 on Roberto Clemente Day, by Rowan Kavner

All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of Roberto Clemente – SportsLogos.Net News

For Joey Cora and fellow Puerto Ricans, Clemente Day's meaning reaches deeper