CSAC: Information on Sonnen's Test Results Coming Monday Afternoon -- MMA Fighting
Over the weekend, Sherdog reported that Sonnen had failed his post-fight test, while the LA Times reported that he'd failed his pre-fight screening. The LA Times story more specifically reported that Sonnen had pass drug test positive for a steroid. Sonnen dominated Anderson Silva for almost the entirety of their UFC 117 middleweight championship bout until Silva locked on a fight-ending triangle submission in the fifth and final round.