Yeah, KSI never stood a chance. The popular streamer hit the mat with former UFC flyweight champion Demetrius Johnson, ...

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

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

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.

KSI may have dabbled in the recent wave of celebrity boxing matches, but he was no match for the former ONE flyweight MMA world champion. Johnson shared a snippet of his Mighty Journeys episode on ...

KSI and Dillon Danis were supposed to square off in a boxing match earlier this year, before KSI withdrew due to an illness. Danis accused KSI of lying about the withdrawal as his rival teased ...

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

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 ...

In a compelling contest that aired on the Crown’s Pit Crew Twitch stream, Johnson and Omega displayed ... this was a major disappointment, as was the KSI-Tommy Fury main event.

In preparation for his title rematch with UFC Bantamweight Champion Dvalishvili, Sean O’Malley worked on his striking with ...

SEE MORE Bellevue, Wash.-based Zeacon has its name on warm-up gear worn by mixed martial arts fighter Demetrious Johnson. (Photo courtesy of Demetrius Johnson) Demetrious Johnson has been called ...