At the Summer Olympics, Cox claimed victories over Amarhajy Mahamedau and Alireza Karimi before suffering a loss to '09 Junior World Champion Selim Yaşar in the semifinals, getting knocked off to the consolation bracket, where he posted a victory over reigning Pan American Games champion Reineris Salas, in a match were the Cuban refused to continue after suffering a takedown from Cox. This result drove Cox to becoming a bronze medalist at the 2016 Summer Olympics.