Elon Musk said Sunday that the “cage match” he and Meta CEO Mark Zuckerberg have seemingly agreed to as a fund-raiser will be carried live on X, formerly known as Twitter, which he owns. “Zuck v Musk fight will be live-streamed on X,” Musk posted. “All proceeds will go to charity for veterans.” He did not give further details, and there was no immediate confirmation from Zuckerberg. Musk added, in a separate post, “Am lifting weights throughout the day, preparing for the fight.” The two billionaire entrepreneurs, who in the past have occasionally jousted from afar, became direct competitors after Zuckerberg’s Meta launched its Twitter-like Threads platform in early July, quickly drawing 120 million users, according to Quiver Quantitative. Musk then posted on X, “I’m up for a cage match if he is lol,” referring to a form of Mixed Martial Arts in which rival fighters employ a variety of techniques — like wrestling or Brazilian jiu-jitsu — while limited by few rules. Zuckerberg, a ma...