is it possible that the big weight cuts some fighters undergo makes them more vulnerable to being knocked out? it seems there is quite a few knockouts in mma from hits that don't look like they should have done much damage. the poirer vs mcgregor fight comes to mind as well as robert whitaker vs xavier lucas. the smaller gloves may play a factor but i'm not sure this is the primary cause. i just finished watching a kickboxing fight where the guy died and it looked like he hardly got hit with much impact at all. how well does the brain rehydrate within twenty four hours after a severe weight cut.