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Sonnen: Jon Jones failed UFC 200 drug test caused by estrogen blockers

Former two-time Ultimate Fighting Championship (UFC) Middleweight title contender, Chael Sonnen, claims to know the answer to the million-dollar question regarding what banned substance Jon Jones tested positive for that prompted the United States Anti-Doping agency (USADA) to pull him from UFC 200.

And during a recent appearance on "The Joe Rogan Experience" with UFC's Joe Rogan, Sonnen revealed the culprit.

"This doesn't make Jon innocent at all. Jon is guilty," Sonnen said. "The only card that he had to play is what did you test positive for, and they refused to reveal it.