Failed drug test

Both Anderson Silva and Nick Diaz failed drug tests related to their fight at UFC 183 last weekend which headlined the pay-per-view card, a bout that Silva won by unanimous decision.Both fighters were coming off lengthy layoffs when they met over the weekend. Silva was fighting for the first time since breaking his leg in a loss to Chris Weidman in Dec., 2013, while Diaz was back in the octagon after taking a nearly two-year break from fighting.On February 3, 2015, the UFC organization was notified by the Nevada State Athletic Commission that Anderson Silva tested positive for Drostanolone metabolites on his Jan. 9 out of competition drug test.  understanding is that further testing will be conducted by the Commission to confirm these preliminary results. Anderson Silva has been an amazing champion and a true ambassador of the sport of mixed martial arts and the UFC, in Brazil as well as around the world. UFC is disappointed to learn of these initial results. The UFC has a strict, consistent policy against the use of any illegal and/or performance enhancing drugs, stimulants or masking agents by its athletes.