[[tmz:video id=”0_xln8bslh”]] Ex-UFC fighter Melvin Guillard – who fought the likes of Nate Diaz and Justin Gaethje — brutally attacked and KO’d a man in a Colorado bar … and now cops are on the hunt. TMZ Sports has obtained…
Ex-UFC Fighter Melvin Guillard KO's Man In Bar Attack, Wanted By Cops
