Conor McGregor couldn’t beat Khabib Nurmagomedov, but he didn’t miss an opportunity to gloat when the UFC lightweight champion’s family took a loss in the Octagon. Welterweight Abubakar Nurmagomedov, Khabib’s cousin, was unsuccessful in his UFC debut on Saturday, losing via first-round submission to David Zawada on the preliminary portion of UFC Moscow. UFC Moscow video: David Zawada triangle choke spoils Abubakar Nurmagomedov debut. Shortly after Nurmagomedov’s loss, McGregor tweeted and deleted a series of insults mocking Abubakar and Khabib, who was in Abubakar’s corner: McGregor and Khabib Nurmagomedov fought in the main event of UFC 229 last October. Their bout was the culmination of a lengthy and personal feud between the two that involved associates from both fighters’ camps. On fight night, Nurmagomedov defeated McGregor by fourth-round submission to successfully defend the UFC lightweight championship. Post-fight, Nurmagomedov leaped into the crowd to attack McGregor cornerman Dillon Danis. During the ensuing melee, McGregor became embroiled in a physical altercation with several of Nurmagomedov’s teammates, including Abubakar. All the fighters involved were later fined and sanctioned by the Nevada State Athletic Commission.