The MMA world was up in arms when speculation spread that Wanderlei Silva avoided a prefight random drug test in Nevada, and was subsequently pulled from his scheduled UFC 175 fight with Chael Sonnen . The storm winds blew in when it came to light that Sonnen, who submitted to the random test, failed it. Sonnen’s failure comes with its own flavor of controversy, mostly centered on the recent testosterone replacement therapy ban and the fights that are coming off of it, which Sonnen is one of. Regardless of the details, it led Sonnen to announce his retirement earlier this week
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Have We Seen the Last of Wanderlei Silva in the UFC? “They’re Going to Bury Him!” – MMA Weekly