an American professional mixed martial artist currently signed to the Ultimate Fighting Championship (UFC), where he is the current UFC Heavyweight Champion. He is a former two-time UFC Light Heavyweight Champion, holding the title from March 2011 to April 2015 and from December 2018 to August 2020. Jones also held the interim UFC Light Heavyweight Championship in 2016. As of March 7, 2023, he is #1 in the UFC men's pound-for-pound rankings.