Nick was calm even after Nate and Khabib had words. Then Martin Sano got up close to Khabib and paid for it with a clean right hand to the kisser. Bloody lip and all, he's the one shown going back after Khabib briefly. Khabib hurt his hand a bit, licking it all night after. 2nd video is up of the chair flying melee outside the arena some 20 minutes later.
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