The day after Elon Musk challenged Mark Zuckerberg on social media to “a cage match” last month, Dana White, president of the Ultimate Fighting Championship, received a text.It was from Mr. Zuckerberg, chief executive of Meta. He asked Mr. White, who heads the world’s premier mixed martial arts competition, which is fought in cage-like rings, if Mr. Musk was serious about a fight.Mr. White called Mr. Musk, who runs Tesla, Twitter and SpaceX, and confirmed that he was willing to throw down. Mr. White then relayed that to Mr. Zuckerberg. In response, Mr. Zuckerberg posted on Instagram: “Send Me Location,” a reference to the catchphrase of Khabib Nurmagomedov, one of the U.F.C.’s most decorated athletes.Since then, Mr. White said, he has talked to the tech billionaires separately every night to organize the showdown. On Tuesday, he said, he was “on the phone with those two until 12:45 in the morning.” He added, “They both want to do it.”If you thought that a cage fight between two of the world’s richest men was just a far-fetched social media stunt, think again.Over the past 10 days, Mr. White said he, M …
