Anderson Silva, Brazilian mixed martial artist and former UFC Middleweight Champion, has failed an out-of-competition drug test. The UFC legend, however, denied using anabolic steroids.

The 39-year-old had tested positive for the steroid Drostanolone during a random out-of-competition test administered by the Nevada State Athletic Commission. NSAC chairman Francisco Aguilar confirmed the positive test and said Silva’s lab report revealed that he also tested positive for a second steroid, Androstane. Aguilar also disclosed that Diaz (26-10) tested positive for marijuana metabolites during a post-fight drug test. Silva (34-6) defeated Diaz via unanimous decision at UFC 183 at the MGM Grand Garden Arena.

Marcio Tannure, the medical director of Brazil’s governing body for mixed martial arts, remarked Anderson Silva denies using steroids. The laboratory that conducted the tests is now performing further evaluation of Silva’s samples.

Silva believes there was “contamination” or a “mistake by the laboratory” that handled his test. Silva said in a statement released by Ed Soares, his manager, said he has been competing in this sport for a very long time and this was his 19th fight in the UFC. Silva added he had been thoroughly tested many times and have never had a positive test. He also denied using performance enhancing drugs and said his stance on drugs is and will always be the same as he is an advocate for a clean sport.

According to an announcement by UFC, the former middleweight champion tested positive in an out-of-competition test on January 9. This announcement was made just a few days after Anderson Silva defeated Nick Diaz in Las Vegas in his return to the cage after recovering from a broken lower left leg 13 months ago.

In a statement, UFC President Dana White said Silva for now would continue in his role as a coach for “The Ultimate Fighter: Brazil,” and added that UFC will wait for the investigative process before taking a decision. White added Anderson Silva has been one of the greatest athletes this sport has ever seen and added Silva has had a long and distinguished career in mixed martial arts. The UFC President went on to remark that Anderson has never tested positive for a banned substance in his nine years with the UFC and we want to ensure that Anderson gets his due process and we will support him during this time.

Silva faces a disciplinary hearing in Las Vegas on February 17, when his license to fight is likely to be suspended. He may face a nine-month suspension. On the other hand, Diaz may be face a heavier suspension and fine as this is his third doping offence.

Former middleweight and light heavyweight contender Chael Sonnen said he believes the entire career of Silva is fair game to question. Sonnen himself received suspension after he failed two separate random drug tests for a ‘cocktail’ that included human growth hormone (HGH), recombinant human erythropoietin (EPO), and human chorionic gonadotropin (hCG). Sonnen remarked as soon as you test positive for something people will want to say it was over your whole career and he believes that is fair and added if you get hit with something it runs you all the way back in time.

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