Meta CEO Mark Zuckerberg pushed Facebook and Instagram into a new era when he announced that they would follow in the footsteps of Elon Musk's X, doing away with fact-checkers and other content moderation in favor of community notes and freer speech.

While Mark Zuckerberg and Elon Musk never did face off in that cage match, "Uncle Elon" has bested Zuck in the political arena, becoming one of the most powerful unelected figures in modern US history.

UFC legend Joe Rogan recently had MMA fanatic Mark Zuckerberg on his uber-popular podcast. Naturally, the long-time fight commentator took an interest in his guest’s new career in combat sports, which has previously seen Zuckerberg claim gold in a BJJ competition.