The Ultimate Fighting Championship signed a deal with the United States Anti-Doping Agency (USADA) to help clean the sport of mixed martial arts and rid the octagon of performance enhancing drugs. Fighters who are on the active UFC roster are subjected to random drug tests, and Gleison Tibau was among one of the first fighters to receive a major suspension from USADA.
Tibau tested positive for erythropoietin (EPO) in both his in-competition and out of competition tests for his Nov. 7, 2015 fight with Abel Trujillo. The suspension was retroactive to that date, so Tibau is slated to return to the octagon in November later on this year. Tibau has been active on social media, and he is looking rather slim ahead of his return:
