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Ten fighters pass UFC 91 post-fight drug testing was notified by the Nevada State Athletic Commission on Monday afternoon that ten fighters who competed at UFC 91 on Nov. 15 at the MGM Grand Garden Arena in Las Vegas passed their post-fight drug screenings.

The following fighters passed their tests for street narcotics and performance enhancing drugs:

  • Randy Couture
  • Brock Lesnar
  • Kenny Florian
  • Dustin Hazelett
  • Gabriel Gonzaga
  • Demian Maia
  • Jeremy Stephens
  • Aaron Riley
  • Mark Bocek
  • Matt Brown

It is mandatory for all fighters involved in title fights or main events to be screen for drugs by NSAC. For UFC 91, the commission also mandated that all winners at the event submit to post-fight screenings. Over the last year, NSAC has instituted pre-fight drug screening several weeks in advance of a major event and all fighters that were tested prior to UFC 91 passed their screenings as well.

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