Elon Musk, Mark Zuckerberg agree to cage fight

Elon Musk, Mark Zuckerberg have seemingly agreed to cage match, sparking reaction all across social media. Musk and Zuckerberg are "absolutely deadly serious" about fighting each other in a UFC Octagon, UFC President Dana White said. White went on to say that he thinks it would be the biggest fight in history. More LiveNOW from FOX streaming video

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