MLB should retire Roberto Clemente's No. 21

The Clemente family would like to semi-retire Roberto Clemente's number - NBC Sports

How Roberto Clemente Jr. wants to honor his dad transcends retiring the iconic Pirate's numbers

Making a case to retire No. 21 league wide

Altoona Curve to retire Roberto Clemente's No. 21

A's Vimael Machin 'honored' to wear No. 21 on Roberto Clemente Day

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

Rossi: Baseball should retire Roberto Clemente's No. 21

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

Altoona Curve to officially retire Roberto Clemente's No. 21 during ceremony Friday

Retire No. 21 for Roberto Clemente - Our Esquina

Altoona Curve to officially retire Roberto Clemente's No. 21 during ceremony Friday

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

MLB should retire Roberto Clemente's number - ESPN - Buster Olney Blog- ESPN

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

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