Johnson, 38, is regarded as the greatest flyweight of all time. He defended the 125-pound title 11 consecutive times, setting ...

YouTuber Olajide Olayinka Williams Olatunji, aka KSI, was brave enough to take on a grappling challenge against Demetrious ...

In his TikTok account, Johnson shared a snippet of his Mighty Journey episode where he showed the real-life Olajide Olayinka Williams "JJ" Olatunji the paralyzing effects of a well-placed leg kick.

Demetrious Johnson has long retired from mixed martial arts, but he'll never turn down the opportunity to show the ropes to anyone brave enough to get hurt.

The UK’s most popular influencer, KSI, got a rude awakening on the mats from former UFC champ Demetrious Johnson. Many non-MMA athletes think they have what it takes to survive in the gym ...

Yeah, KSI never stood a chance. The popular streamer hit the mat with former UFC flyweight champion Demetrius Johnson, challenging him to submit him in less than one minute. KSI got to choose the ...

KSI knew he was outgunned grappling former UFC flyweight champ Demetrious Johnson, but he didn’t expect things to go the way ...

Demetrious Johnson is one of the best MMA grapplers ever, surviving on the floor with him is a tall task for anyone, let alone a social-media-boxer-streamer like KSI. Whatever amount of props Kamaru ...

Can KSI take out "Mighty Mouse?" Step aside, influencer boxing - this is what happens when a true MMA legend steps onto your ...