I thought I remember this discussion a couple years back but I can't find it.
Who here has thought about fighting a full grown grizzly bear in hand-to-paw combat in a cage match? Of course he would be wearing a muzzle and some kind of protective cover on his paws. And you would just have fists, feet, elbows, knees, headbutts but no biting allowed.
Yes I know this sounds like a death wish but I would guess that the average bad ass could hold his own for a while even possibly win. Winning = Knocking him unconscious.