Tyron Woodley's mother was involved in an aggressive altercation with a fan after watching her son fall to a brutal knockout defeat to Jake Paul.
The former UFC champion was dispatched with a huge right hand from the YouTube star to end their two-fight rivalry.
Woodley stepped in at late notice to replace Tommy Fury but was unable to avenge his defeat by Paul in August as he was stopped in the sixth round.
And a fan in the stands chose the wrong moment to start an inquest with Woodley's mum, asking: "What do you think went wrong for Tyron in there tonight?"
Woodley's mother initially didn't hear but when the question was repeated, she replied: "What the f*** do you think went wrong mother******?"
She was then dragged away by two members of security after squaring up to fan who had instigated the furious reaction from the famous mum.
Woodley's mother Deborah has become famous for her popular acts of kindness during her son's time in the UFC.
She was seen giving advice to the likes of Darren Till and Kamaru Usman after their respective bouts with Woodley during his illustrious career.
She was then involved in a heated altercation during the press conference for the opening fight with Paul's team.
One of his friends was seen to be provoking Deborah who furiously reacted with Tyron jumping in to defend her.
This provoked another violent scuffle at the weigh-in which needed security to intervene once again.
Later last night, The former UFC champion has admitted he was frustrated after he dropped his guard which allowed the opening for Paul to halt the contest.
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"I went back and I looked at it, and I thought: 'Why the f**k did I drop my hands?'," Woodley said.
"I had both hands up, I knew it was coming. I was ready to block the overhand. I don't know if he delayed it. Even if he didn't, I don't know why I dropped my hands. In this sport, it only takes one mistake.
"I would love to fight him again, the first time I felt it was very, very close. He's got to figure out what he wants to do - if he wants to run it back, I'm always down.
'Me and him could fight 10 times. This is a real life Rocky movie. I never disrespected him as a power puncher. That's something we always knew. That's why my defence was tight. Had he dropped his hands on me, the same s*** would have happened. I can't cry over spilled milk."
Woodley's future is now unclear after rejecting offers from other promotions to stage further boxing matches next year.
Meanwhile Paul is set to take a break from boxing but has called out the likes of UFC stars Conor McGregor and Jorge Masvidal as he looks to continue fighting high-profile names.
