http://www.mmatorch.com/artman2/publish/UFC_2/article_21768.shtml#.U4zjBna2WCk "They did it to Vitor... random drug test. And Vitor was on testosterone," Rogan said (transcribed by Brent Brookhouse at BloodyElbow.com). "That's the reason that testosterone got banned in the first place. The whole thing went down when Vitor tested positive with the Nevada State Athletic Commission, after that. Before that, they were considering him for a testosterone exemption... And because he tested positive they scrapped the whole testosterone program."