Justin Gaethje began his professional mixed martial arts career in August 2011. He’d win his first 18 fights picking up the World Series of Fighting lightweight championship along the way. He made his octagon debut in July 2017 and quickly became a fan favorite. 20 of Gaethje’s 26 career wins have been by knockout, including six in the UFC
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Watch every Justin Gaethje UFC knockout | Video – MMA Weekly