I think he is. He knocks people the fuck out. He's literally the last human on the face of the fucking earth I would want to be punch by.
He's gonna fucking kill someone. Seriously.
Arlovski and Cormier took it.
I wouldn't want to fight him though.
Ask Mark Hunt that question
But it's close with rumble and the super Samoan
melvin manhoeff has to b up there
I_Am_Bruce_Wayne - Ask Mark Hunt that questionYea id go for hunt. Hardest at lhw in ufc history is probably accurate though

Igor?
Forman is the hardest puncher ever he did it with boxing gloves on and still says Ernie shavers is the hardest hitter
Sam Pai Kempo?
andrewwarner - Arlovski and Cormier took it.Well yeah but you're not going to KO everyone you fight. He did knock both of them down hard though.
I wouldn't want to fight him though.

I_Am_Bruce_Wayne - Ask Mark Hunt that questionI don't have his number

Mark Hunt and Anthony Johnson top 2
Mad Xyientist - Igor?*

No, but this may be the dumbest question ever.
Searchinghappy -Him and gotta throw carwin in there simply for how much power he makes in short shotsMad Xyientist - Igor?*

hardest puncher in UFC, yes
Carwin is up there
Stern -Also broke Arlovskis jaw.andrewwarner - Arlovski and Cormier took it.Well yeah but you're not going to KO everyone you fight. He did knock both of them down hard though.
I wouldn't want to fight him though.

MAINMAYNARD - Forman is the hardest puncher ever he did it with boxing gloves on and still says Ernie shavers is the hardest hitterI've seen him say Cooney was and Lyle was he changes the answer every day

Mike Tyson still might be the hardest puncher