Justin Ray Gaethje (; born November 14, 1988) is an American professional mixed martial artist who fights in the lightweight division of the Ultimate Fighting Championship (UFC).
As of September 16, 2019, he is #4 in the UFC lightweight rankings.Born in Safford, Arizona, Gaethje began wrestling when he was four years old.
He was a two-time Arizona state champion as a wrestler at Safford High School, and an NCAA Division I All-American during his time at the University of Northern Colorado.
He began his amateur MMA career while in college, turned professional in 2011 and joined the World Series of Fighting (WSOF) in 2013, where he became Lightweight Champion.
He defended his WSOF belt five times before vacating it to join the UFC in 2017.
Despite his wrestling background, Gaethje rarely looks for takedowns and is known for his aggressive stand-up fighting style.
He has won 18 of his 21 wins by knockout or technical knockout and has received four Fight of the Night and three Performance of the Night awards in his six fights in the UFC.