All 17 fighters who underwent drug testing at this past month’s UFC 137 event tested clean for performance-enhancing drugs and recreational/drugs of abuse.
Nevada State Athletic Commission Executive Director Keith Kizer today e-mailed the drug-testing results to MMAjunkie.com.
UFC 137 took place Oct. 29 at the Mandalay Bay Events Center in Las Vegas with a Nick Diaz vs. B.J. Penn pay-per-view headliner.