Nick Diaz doesn’t seem like the type to start fights outside of the octagon, but it’s a safe bet he’s capable of ending them.

The UFC fighter was attacked Wednesday at the Bellagio Casino in Las Vegas after enjoying himself at Hyde nightclub, according to TMZ. What started as an altercation escalated into a huge brawl on the casino floor.

“A rep for the club tells us the UFC fighter went to a bathroom outside the club around 2:30 a.m., and accidentally stumbled into another customer … who started talking smack,” TMZ writes.

“We’re told Nick apologized and said he didn’t want any trouble, but 3 other men then joined the first guy and jumped Nick … who tells us, ‘I didn’t start it. They didn’t know who I was.'”

“The melee was insane — the club’s rep says the attackers were swinging chairs and brawling with club and casino staffers. They were eventually removed by security.”

Despite suffering a blow to the head, Diaz assured the Bellagio that “they got the worst of it.”

When someone says they don’t want any trouble, it’s probably best to take their words as a warning that they might be a world-class fighter … especially in Las Vegas.

Thumbnail photo via Jayne Kamin-Oncea/USA TODAY Sports Images