Arman Tsarukyan punched a fan during his walkout for his fight against Charles Oliveira.
The lightweight won a split-decision victory over the former champion at UFC 300.
But before he had even entered the cage he had already thrown a punch.
You can watch the video below:
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Fight fans reacted to the clip on social media.
One said: ‘Boy about that life. Love to see it tbh, people be acting out of pocket sometimes.’
Another joked: ‘Fan deserves a rematch on the walk back…’
A third commented: ‘That fan is about to get a bag.’
