GSP: Silva Fought with 'Biological Weapon' — bleacherreport.com

Georges St-Pierre has long been a whistleblower on performance-enhancing drugs in MMA. It wasn’t until Anderson Silva, the greatest fighter in UFC history, tested positive for steroids that the MMA world finally started to pay attention. Merely days after Silva defeated Nick Diaz in the main event at UFC 183, Nevada Athletic Commission Executive Director Bob Bennett announced the former middleweight champ had tested positive for two steroids, Drostanolone and Androsterone, per Shaun Al-Shatti of MMAFighting.com. The results, which were found on Feb. 3, came from an out-of-competition drug test conducted on Jan. 9.

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