Why did Conor McGregor Vs Khabib Nurmagomedov end in an unruly brawl?

With all the trash talk before the fight, Conor McGregor vs Khabib Nurmagomedov was bound to be full gruesome hooks and controversies. Khabib took down Conor in the 4th round, the latter submitting to a neck hold. With all the adrenaline rushing through his body, Khabib needed an outlet, the scapegoat being Conor’s jiu-jitsu (a…