If you have trouble quoting other big boxing names then Mohammed Ali and Rocky Balboa, then your culture in boxing is to review. The discipline, however, counts some notable characters who, in their time, helped to raise this sport, which consists in putting bread in the face of the opponent.
A small review of the Greatest heavyweight boxers of all time!! :
1-Mohamed Ali (USA)
Cassius Clay remains “The Greatest” for his style, his political activism and his role in the extreme mediatization of his discipline, despite his missed return and his defeat in the fight of the century and his disappointment not to remain unbeaten like Rocky Marciano.
If you have not already done so, look at the documentary “When we were Kings” to finish convincing you.