Chael Sonnen on Wednesday received disciplinary sanctions from the Nevada Athletic Commission following two random drug tests that indicated a combined total of five banned substances in his system. Sonnen received a two-year suspension alongside other punishments for his transgressions. His transgressions stem from two random drug tests ordered by the NAC in relation to Sonnen’s proposed fight against Wanderlei Silva , which was changed to Vitor Belfort , on July 5 in Las Vegas. The first drug test was administered on May 24 in Las Vegas, the second on June 5 in Portland, Ore., resulting in the illumination of five banned substances: anastrozole, clomifene, human chorionic gonadotropin (hCG), human growth hormone (hGH) and recombinant human erythropoietin (EPO).
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Chael Sonnen Narrowly Averts Lance-Armstrong-Like Lifetime Ban for Failed Drug Tests – MMA Weekly