Former UFC champion Merab Dvalishvili involved in brawl with brother of rival

Former UFC champion Merab Dvalishvili was involved in a brawl with the brother of a rival, with footage of the incident being posted online. The altercation was significant enough to be described as a 'massive brawl.' Specific details about the rival's identity and the circumstances surrounding the confrontation were not fully disclosed in the excerpt.