Jonathan Dwight Jones[1][2] (born July 19, 1987)[3] is an American professional mixed martial artist who is currently signed with the Ultimate Fighting Championship (UFC). He is a two-time UFC Light Heavyweight Champion, having won the undisputed championship once and interim championship once, and the youngest champion in UFC history, winning his first UFC world championship at age 23. Jones is widely regarded as one of the greatest professional fighters of all-time, and ranks at #3 in UFC pound-for-pound rankings.[16] He is the younger brother of former National Football League (NFL) player Arthur Jones and the older brother of current NFL player Chandler Jones.