Elon Musk.Chesnot via Getty Images Elon Musk said he couldn't confirm a date for his fight with Mark Zuckerberg just yet. Musk said he was getting an MRI of his neck and back, and might even require surgery before the fight. It looks as if the cage match isn't going to happen anytime soon if Musk's got to go under the knife. Elon Musk may be set on live-streaming his fight with Mark Zuckerberg, but he wants to get his neck and upper back checked before fixing a date."Exact date is still in flux.