However, Jones' recent training footage alongside Facebook founder Mark Zuckerberg has seen many fans slam the BJJ black belt ... but the tournament's funder is yet to be revealed.

Given his global status and notoriety, Zuckerberg actually had to hide his identity and wear a disguise for his first official grappling tournament, but that only lasted so long. “I guess I ...

 In June last year, during an episode of the Lex Fridman podcast, Zuckerberg had said that he and his friends train in jiu-jitsu together. He added that he went to a tournament of jiu-jitsu only ...