I didn't see any threads on this but it's pretty fucked up and seems to be blowing up.
Dudes name is Tony Cojocaru and apparently has now been arrested.
http://dailyhaze.com/video-of-mma-fighter-tony-cojocaru-brutally-beating-a-young-man-sparks-rage/
Steroids 
Dude hits like a bitch
What a loser. 
Tough guy will find himself on the other end soon enough. Guys like that always end up getiing from either running into the wrong guy or more often the police who have him outgunned and outmanned. I'm ok either way he gets it. He looks like someone we can do without.