MLB allows more players to wear No. 21 to honor Roberto Clemente

Roberto Clemente's #21 To Be Worn By All Pittsburgh Pirates For Clemente Day

Pirates, Mets honor Roberto Clemente's legacy in MLB celebration

All of MLB's Puerto Rican players can wear No. 21 on Roberto Clemente Day

Roberto Clemente as influential as ever 50 years after death - Los Angeles Times

Making a case to retire No. 21 league wide

Uniform number (Major League Baseball) - Wikipedia

MLB Clemente Award winners wear his 21 on caps for careers

MLB's Pirates will honor Roberto Clemente by wearing his number

Javier Baez uncertain he will be a long-term Met

Rays Star Calls Wearing No. 21 on Roberto Clemente Day 'An Honor

MLB allows Puerto Rican players to wear No. 21 on Roberto Clemente Day - ESPN

Pittsburgh Pirates to wear No. 21 on Roberto Clemente Day

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