‘This Nerd Is a Silent Killer’: Mark Zuckerberg Rented Out An Entire MMA Arena to Watch a Fight, Privately Posted byEmily Rella October 4, 2022 Leave a comment on ‘This Nerd Is a Silent Killer’: Mark Zuckerberg Rented Out An Entire MMA Arena to Watch a Fight, Privately The Meta CEO has taken an interest in the contact sport — both watching and fighting.