MMA H.E.A.T. was at the UFC 196 pre-fight press conference where UFC Featherweight Champ Conor McGregor and Nate Diaz came close to throwing down .
Conor McGregor vs Nate Diaz staredown fight/brawl at UFC 196 press conference. During the face off, Conor McGregor slaps Nate Diaz and chaos ensues.
SUBSCRIBE - Nate Diaz's training partner Jake Shields gives his take on the hand slap and scuffle that took place between .