Depends who the HW is. In UFC before weight classes fighters knocking out guys 100lbs heavier than them. As the levels even out, the size advantage become a significant advantage. Tyson would have ktfo valuev, Dempsey fked up Willard. I’m pretty sure Donaire would ktfo Khan with one of his left hooks if he actually landed a counter clean.
(*sigh*) It's to do with weight advantage related to the % of body weight and mass advantage. The bigger guys get the less significant the poundage advantage becomes. A 135Lb guy fighting a 154 guy is at a far bigger disadvantage than a a 220 HW vs a 239 HW because of the lower body mass difference/% due to them being larger men. If you follow? (this shouldn't need explaining)....Oh and LHW or HW Moorer would decapitate Canelo. No shame in that and Canelo would agree.
Remember how devastating he was at 175 on death camp diet, same day weigh-ins? Imagine nowadays; ok not fully hydrated and HW revived--but still. Wrecking machine around that area.
he can, and you may in fact see it happen when he reaches his career zenith conquering CW. You read it here first, it might just happen. oh wait, no i tohught you meant GGG.