Retire 21: Supporters Seek To Honor Baseball Legacy Of Roberto

Altoona Curve honors Pirates legend Roberto Clemente, retires No. 21

Carlos Delgado says MLB should retire Roberto Clemente's No. 21

Retire 21: Supporters Seek To Honor Baseball Legacy Of Roberto Clemente

Rivera] League source confirms league-wide retirement of Roberto Clemente's #21 is not happening at this time and there is no current plan in place for it to occur : r/baseball

Pirates to wear No. 21 on Sept. 9 to honor Roberto Clemente - The San Diego Union-Tribune

Dodgers' Kiké Hernández honors Roberto Clemente after homer - Los Angeles Times

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

Introducing: The Oris Roberto Clemente Limited Edition - Hodinkee

Paul O'Neill on No. 21 retirement Yankees

The Roberto Clemente Museum – Pittsburgh, Pennsylvania - Atlas Obscura