This right here is a cautionary tale for any fighter who decides its a good idea to just sprint at the person you're fighting. It rarely ends well because when you run head first into a well-trained striker, you're almost always going to get KO'd.
In this case, we have Nemanja Uveric vs Patrik Gruner, fighting at Night of Champions 2. It doesn't end well for the second-named fighter.
Peep it below (2:34 is when the magic begins to happen):
I'm not sure if I've seen a ruder awakening than that one. Wow.