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UFC fighters Conor McGregor and Khabib Nurmagomedov are each facing formal complaints following the brawl that broke out after their UFC 229 fight on Saturday at T-Mobile Arena in Las Vegas.
According to Brett Okamoto of ESPN.com, Nevada State Athletic Commission chairman Anthony Martell said the commission will investigate the incident through interviews and film review.
He also said the decision to withhold Nurmagomedov's $2 million paycheck will accelerate the process.
"We will be filing against Conor McGregor and Khabib Nurmagomedov," Marnell said.