UFC on FOX 9 took place last month in Sacramento and all of the fighters passed their post fight drug test.
TheMMAReport.com received the news on the post fight drug test from the California State Athletic Commission on Wednesday after the results were requested.
UFC on FOX 9 took place on December 14th from the Sleep Train Arena in Sacramento and was headlined by Demetrious Johnson retaining the UFC flyweight title with a knockout victory in the first round against Joseph Benavidez.
The card also featured Sacramento native Uriah Faber defeating Michael McDonald in the second round by submission and Faber will now meet Renan Barao for the UFC bantamweight title at UFC 169 next weekend in New Jersey.
Stay tuned to TheMMAReport.com for more updates on drug testing results in UFC, Bellator, and World Series of Fighting.