Jon Jones (UFC) 7” Figure. Jon Jones is regarded as one of the greatest mixed martial artists of all time. Jones became the youngest champion in UFC history and is the current UFC Heavyweight Champion. Jones was the UFC Light Heavyweight Champion from 2011 to 2015 and from 2018 to 2020, and the interim UFC Light Heavyweight Champion in 2016. He holds many UFC records in the light heavyweight division, including the most title defenses, most wins, and longest win streak. During much of his championship reign, Jones was considered the best pound-for-pound fighter in the world. Jones was named the UFC 2011 Fighter of the Year, ESPN 2011 Fighter of the Year, had the ESPN 2013 Fight of the Year, and won the 2023 ESPY Award for Best MMA Fighter.