Pittsburgh Pirates to wear No. 21 on sept 9 to honor Roberto Clemente
Pittsburgh Pirates to honor Roberto Clemente in perfect way
Pirates' Gregory Polanco on Roberto Clemente: 'He's our Jackie
MLB's Pirates will honor Roberto Clemente by wearing his number
Carlos Delgado says MLB should retire Roberto Clemente's No. 21
All Pirates Wearing #21, Rest of MLB Wears Patches in Honour of
Roberto Clemente, Pittsburgh's Hero
Pittsburgh, United States. 10th Sep, 2020. Pittsburgh Pirates
21 Facts You May Not Know About Roberto Clemente on the
Roberto Clemente - Wikipedia