Another fighter might have violated the roles. Diego Brandao has tested positive for marijuana at UFC 195. The WADA code allows marijuana in out of competition, but not in competition which means 12 hours before and after competition. UFC calls this for now a potential violation. Any ways this is not the attention MMA needs, we just have to wait and see how this pans out.

Diego Brandao tested positive for marijuana at UFC 195, according to a statement sent out by the UFC on Friday.

Source: Diego Brandao tests positive for marijuana at UFC 195 – MMA Fighting