Former boxer who won the heavyweight championship from Muhammad Ali on February 15, 1978. He won a gold medal at the 1976 Olympics in Montreal, competing in the light heavyweight class.
He won his first professional fight in 1977, knocking out Bob Smith in the fifth round.
His career record was twenty-six wins, seventeen losses, and three draws.
His brother Michael was also a boxer.
He went 1-1 overall in his career against the great Muhammad Ali.