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Rony Jason denies diuretic use, but second drug test result comes back positive

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Rony Jason tested positive following his UFC Fight Night 67 win over Damon Jackson, and threatened to sue the Brazilian MMA Athletic Commission (CABMMA) if his B sample came back negative. However, the Brazilian featherweight’s B sample also tested positive for diuretic hydrochlorothiazide.

CABMMA announced on Tuesday that Jason’s urine sample was analyzed by WADA-accredited UCLA Olympic Analytical Laboratory, and came back positive. As a result, Jason is suspended nine months, and his first-round submission victory is overturned to a no-contest.

Check CABMMA’s full statement below:

First, it is important to state that CABMMA is an independent entity dedicated to the development and regulation of MMA in Brazil. The UFC voluntarily submits itself to the rules and regulations adopted by the entity and so did Mr. Rony Mariano, through his affiliation prior to the event. It must be clarified that the entity follows the parameters set by the Nevada State Athletic Commission. Likewise, it must be stressed that the determination of the suspension is based on precedents involving such entity.

When the athlete ́s result of sample "A" was communicated by the to CABMMA, the athlete was immediately contacted by phone and documents sent to him by e-mail before the result was informed to the UFC and any official statement sent to the media. Therefore, the athlete was aware of his result and the possibility of testing his sample "B" was clearly informed to him at that occasion.

The appeal analyzed by the Executive Committee basically ensured that (i) the procedure for collection of the sample was done in accordance with the required standards, and (ii) Mr. Rony Mariano ́s sample "B" urine went through the correct process of testing with the presence of the athlete ́s legal representative.

The UCLA Olympic Analytical Laboratory (WADA Accredited Lab) analyzed sample "B", as per request of the athlete, and the result once again was ADVERSE for diuretic hydrochlorothiazide.

Based on the above, the nine-month suspension is maintained, counting as from 30/05/2015.

Jason denies using any illegal substance and still plans to sue the Brazilian commission.

"My lawyer informed me (of the second result), but also told me there was nothing that proved it was mine because there was no signature in any of the samples," Jason told MMAFighting.com. "I will continue following this because I didn’t take anything."

"The whole procedure done here was incorrect, they can’t prove those samples are mine because there’s nothing on it that proves it," he added. "This happened exactly when I won a post-fight bonus."