Rocky Marciano http://en.wikipedia.org/wiki/Rocky_Marciano
There are many, including Rocky Marciano, Gene Tunney, David Tua, Paul Cavalier and others.
yes he is still a boxer but he is not a heavyweight boxer.
David Tua is a professional boxer who fights for New Zealand. Originally born in Samoa, he competes in the heavyweight division and has won a total of 52 professional fights.
Humberto Soto - heavyweight boxer - was born on 1980-01-21.
A boxer must weigh at least 200 pounds to be considered a heavyweight.
That was Joe Frazier in the first of their three fights on March 8, 1971 at Madison Square Garden for Frazier's heavyweight title.
To become a heavyweight boxer, you will have to put in a lot of work and training. You will have to spend a lot of time at the gym with a trainer. Eat healthy, while still maintaining the proper weight for a heavyweight.
The probability is zero since the rules governing boxing would not permit a heavyweight boxer to fight at flyweight.
Leon Spinks
Uh, yes.
A boxer can be a person who fights in a boxing match or a boxer is a type of German Dog.
Former heavyweight champion boxer Jack Johnson died tragically in 1946 in a car accident in North Carolina.
Muhammond aliMike tyson