McGregor defeats Mendes for the Interim Featherweight title, at the MGM Grand Garden Arena in Las Vegas, Nevada. McGregor is the first UFC champion from the Republic of Ireland. During the fight he spends much of the first two rounds on his back, but he finishes the fight a big left hand that puts Mendes down in the 58th second of the second round. McGregor pounds away for the stoppage and then jumps onto the cage in celebration.
UFC 189: The Thrill and the Agony