Mohammad Ali or Cassius Clay was the first boxer ever to win the world heavyweight title thrice.
mike tyson
lennux lewis
Jack Johnson was the first black heavyweight champion in 1908.
Buster Douglas
There are weight categories in boxing or Divisions , the first is the light weight and the second heavy weight. A boxer enters a tournament according to his weight.
Between 205-265 pounds.
Muhammed Ali
World Heavy weight championship
Jack Johnson was the first black heavy weight champion of the world.
That he is the heavy weight championship
Mark henry
Shaba Edwards