There are a few Floyd Patterson, Cassius clay , Joe Frazier.
2, joe louis and john henry lewis and jack johnson and jim johnson
i think it was victor galendez
it is between light-heavy weight and heavy weight (between 176-200lbs)
Buster Douglas
Between 205-265 pounds.
Muhammed Ali
Jack Johnson was the first black heavy weight champion of the world.
Twice
Shaba Edwards
theofilo stevenson
Joe Louis.
Jim Jeffries.
Muhammad Ali is a famous boxer. He is the former heavy-weight boxing champion of the world.