Justin Gaethje

Justin Ray Gaethje (born November 14, 1988) is an American professional mixed martial artist. A professional since 2011, he competes in the lightweight division of the Ultimate Fighting Championship (UFC), where he is the current UFC Lightweight Champion. He is the first fighter in UFC history to win the interim lightweight title twice and is also a former UFC "BMF" titleholder. Gaethje formerly competed in the lightweight division of the World Series of Fighting (WSOF), where he was the first and only WSOF Lightweight Champion. As of September 22, 2026, he is #3 in the UFC men's pound-for-pound rankings.