I think Louis had an excellent chin and even against Schmeling and lowering his LEFT HAND to be countered Louis took some murderous punches, was Henry Cooper or Banks a harder puncher than Schmeling yet he had Ali down and Louis got up from KDs vs Walcott who had the speed of hand and remarkable one punch pin point power. Did Ken Norton have a better chin than Louis, yet Ali could not crack that egg I think Louis counter ability and Ali's vulnerability to the left hook are underrated here, also no Heavy Champ had the power combo + speed variation with 2 hands that Louis had and who had more finishing instinct and the tools to execute the kill than the Brown Bomber