Conor McGregor has vowed to carry on in mixed martial arts after a shockdefeat to lightweight rival Dustin Poirier in their rematch..
American mixed martial arts fighter
Dustin Glenn Poirier is an American professional mixed martial artist and philanthropist, who competes in the lightweight division of the Ultimate Fighting Championship (UFC). A professional since 2009, Poirier became the Interim UFC Lightweight Champion when he defeated UFC Featherweight Champion Max Holloway on April 19, 2019. As of January 25, 2021, he is #1 in the UFC lightweight rankings and #7 in the UFC men's pound-for-pound rankings.