Jon Jones, American mixed martial artist

Jonathan Dwight Jones is an American former professional mixed martial artist who competed from 2008 to 2025. He formerly competed in the Light Heavyweight and Heavyweight divisions of the Ultimate Fighting Championship (UFC), where he was a two-time Light Heavyweight Champion, and the Heavyweight Champion from 2023 to 2025, as well as the interim Light Heavyweight Champion in 2016. He is the eighth UFC fighter to hold titles in two different weight classes, and the fourth to defend titles in two different weight divisions. Jones is regarded as one of the greatest mixed martial artists of all time.