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Espn: Marciano Glorified Boxing
Read interesting biographical details about Rocky Marciano, "the only heavyweight champion to exit undefeated". From ESPN's greatest athletes of the 20th century.
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Utah State Historical Society: Utah History to Go: Jack Dempsey
A synopsis of Jack Dempsey's early family life and how he began his career as a heavyweight boxer.
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International Boxing Hall of Fame: Jack Dempsey
A biography of American boxer Jack Dempsey, 1895-1983.