Roberto Clemente's mentorship meant world to Manny Sanguillén

Manny Sanguillen on Roberto Clemente, We could listen to Manny Sanguillen tell stories about Roberto Clemente all day. #ClementeDay, By Pittsburgh Pirates

Roberto Clemente - Wikiquote

Mark Grace is not in the Hall of Fame. Why is this? - Quora

Members of '71 champion Pirates recall 'joyous time' 50 years later

SABR 50 at 50: Greatest Games – Society for American Baseball Research

SABR 50 at 50: Greatest Games – Society for American Baseball Research

Thom Henninger

X 上的Manny Sanguillen：「Roberto Clemente was not only a team player, he was a leader,an interpreter, the brother we needed as rookies, the brother that everyone respected & loved He loved us

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Clemente: The Passion and Grace of Baseball's Last Hero by David Maraniss, Paperback

SABR 50 at 50: Greatest Games – Society for American Baseball Research

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