Mike Tyson Reacts To Francis Ngannou's "Vicious" 20 Second Victory At UFC 249

Mike Tyson was left stunned by Francis Ngannou's devastating 20 second victory over Jairzinho Rozenstruik at UFC 249.

And his terrifying performance sent social media into overdrive, including a tweet from 'Iron' Mike who hailed the French-Cameroonian as a "future champ" in the UFC.

"Resounding ... vicious .... future champ. #FrancesNyngonu 20 second knockout 2nite #UFC249," Tyson wrote on Twitter.

Ngannou, 33, extended his winning streak to four fights following his incredible showing in Florida.

And speaking to Joe Rogan inside the Octagon, he said: "When I heard he called me out, I knew he didn't know what he was doing.

"He's not ready. He has a lot of potential obviously but I think he has to take a step back and get ready before fighting against someone like me."

Ngannou's angling for another shot at UFC gold after his failed attempt in 2018 against Stipe Miocic.

"I had fun out there, it wasn't something I was chasing," he added.

"When I chase the knockout, it doesn't work, so I don't chase anymore. When he called me out, I'm like, 'This guy doesn't know what he's doing.'

"He just came here and had a few knockouts, but I didn't see anything impressive, but I don't mind people calling me out.

"I don't know what it takes to have a title shot in the UFC. To be honest, I've made my peace with that. It's not that I don't care, but I don't want to feel like something is controlling me. With or without a title shot, I'm still a fighter and still have what I have and can make a statement."