A heavyweight boxing match takes 12 rounds of 3 minutes each. This is however overlooked if one boxer falls down and stays down for more than 30 seconds.
The heavyweight boxing champ of the world at present is Bermane Stiverne .
No One he retired and is still the oldest world heavyweight boxing champ
Mohammed Ali was declared as the world heavyweight boxing champion in 1951.He ws also declared as the sports man of the century
vladimir klitschko....i think
reza da king
Not at this time.
The answer is former WBA Heavyweight Champion of the World, Nikolai Valuev.