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Las Vegas , United States - 6 October 2018; Khabib Nurmagomedov locks in a rear naked choke on Conor McGregor, resulting in a tap out, in their UFC lightweight championship fight during UFC 229 at T-Mobile Arena in Las Vegas, Nevada, USA. (Photo By Stephen McCarthy/Sportsfile via Getty Images)

Las Vegas , United States - 6 October 2018; Khabib Nurmagomedov locks in a rear naked choke on Conor McGregor, resulting in a tap out, in their UFC lightweight championship fight during UFC 229 at T-Mobile Arena in Las Vegas, Nevada, USA. (Photo By Stephen McCarthy/Sportsfile via Getty Images)

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LAS VEGAS, NV - OCTOBER 06: Khabib Nurmagomedov of Russia is involved in a post-fight incident following his defeat of Conor McGregor of Ireland in their UFC lightweight championship bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)

LAS VEGAS, NV - OCTOBER 06:  Khabib Nurmagomedov of Russia is involved in a post-fight incident following his defeat of Conor McGregor of Ireland in their UFC lightweight championship bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada. (Photo by Josh Hedges/Zuffa LLC/Zuffa LLC via Getty Images)

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LAS VEGAS, NV - OCTOBER 06: Conor McGregor of Ireland is escorted out of the octagon after being submitting to Khabib Nurmagomedov of Russia in their UFC lightweight championship bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada. (Photo by Christian Petersen/Zuffa LLC/Zuffa LLC)

LAS VEGAS, NV - OCTOBER 06:  Conor McGregor of Ireland is escorted out of the octagon after being submitting to Khabib Nurmagomedov of Russia in their UFC lightweight championship bout during the UFC 229 event inside T-Mobile Arena on October 6, 2018 in Las Vegas, Nevada.  (Photo by Christian Petersen/Zuffa LLC/Zuffa LLC)