Amy Kaplan: Mackenzie Dern says she was told that Mark Zuckerberg bought out the whole event, but doesn’t know more than that #UFCVegas61

Amy Kaplan: Mackenzie Dern says she was told that Mark Zuckerberg bought out the whole event, but doesn’t know more than that #UFCVegas61

Amy Kaplan: Mackenzie Dern says she was told that Mark Zuckerberg bought out the whole event, but doesn’t know more than that #UFCVegas61 from MMA