Anderson Silva Says Failed Drug Test Due to Contaminated Supplements

Frank Franklin II/Associated Press

UFC star Anderson Silva said he didn't knowingly use the two substances flagged by the U.S. Anti-Doping Agency during a drug test last October. 

Silva told TMZ Sports his lawyers are evaluating the veracity of the positive test with USADA in the hope of invalidating the results. He added that "maybe the supplements I'm using are contaminated."

This article will be updated to provide more information on this story as it becomes available.

Get the best sports content from the web and social in the new B/R app. Get the app and get the game.