This is the first story in a three-part series about the UFC Performance Institute.
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Three years ago, Connor McGregor faced Nate Diaz in UFC 196 when their rivalry and animosity was at an alltime high. Their fight at the MGM Grand Garden Arena in Las Vegas turned out to be the most successful pay-per-view in league history at the time, and it ended four minutes into the second round when McGregor—the former UFC featherweight and lightweight champion known as “The Notorious One”—was submitted in a rear naked choke on the blood-speckled mat in front of a howling crowd.