Roberto Clemente Day: Pirates and Mets wear 21

Pittsburgh Pirates to wear No. 21 on sept 9 to honor Roberto Clemente

ESPN: MLB to allow Pirates, Puerto Rican players, award nominees to wear No. 21 on Roberto Clemente Day

Metsmerized Online on X: The 50th anniversary of Roberto Clemente's death is approaching, and today marks the 21st annual #RobertoClementeDay. Both Mets & Pirates players will wear his #21 for tonight's game

Pirates to wear No. 21 on jerseys for Roberto Clemente Day

Yankees rally in the ninth to slip past Pirates on Roberto Clemente Day - CBS New York

Roberto Clemente Day: Pirates and Mets wear 21

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

For Many Latino Players, Roberto Clemente's Number Is Off Limits, Too - The New York Times