Jonathan Dwight Jones (born July 19, 1987) is an American former professional mixed martial artist who competed from 2008 to 2025. During his career with the Ultimate Fighting Championship (UFC), he was the Light Heavyweight Champion from 2011 to 2015 and from 2018 to 2020, 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 often regarded as the greatest mixed martial artist of all time. Description above from the Wikipedia article Jon Jones, licensed under CC-BY-SA, full list of contributors on Wikipedia.