Ex-UFC lightweight champ Oliveira goes on Khabib 'arrogance' rant (VIDEO)
Charles Oliveira is set to take on Islam Makhachev for the title on October 22 in Abu Dhabi
The perceived arrogance of UFC legend Khabib Nurmagomedov and his charge Islam Makhachev will "drown" and "kill" the Russians plus their agent Ali Abdelaziz, according to fired-up ex-lightweight champion Charles