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- X CEO Linda Yaccarino said she's not sure if Elon Musk will actually fight Mark Zuckerberg.
- She said she's seen Musk train, but it "may be a humorous back-and-forth between Zuck and Musk."
- On Sunday, Musk said he might need surgery before the fight could take place.
Linda Yaccarino, the CEO of X, which was formerly known as Twitter, said on Thursday that's she not sure if Elon Musk will go through with his offer to fight Mark Zuckerberg in a cage match.