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USADA: Jon Jones “B” sample tests positive

The United States Anti-Doping Agency (USADA) confirmed yesterday the the “B” sample of UFC light heavyweight champion Jon Jones (23-1-0) tested positive for the same Turinabol metabolites steroid found in the original July 28 in-competition urine sample.

MMA Crossfire Vault – Jon Jones

“Bones,” 30, defeated Daniel Cormier in the third round at UFC 214 July 29 to win the belt after passing out-of-competion blood tests on July 6 and 7.

Turinabol metabolites are detectable only in urine tests.

The UFC has not officially commented on stripping Jones of the belt, but previously did so in April 2015 after a hit-and-run incident.

Jones’ case now moves to the due processes of the USADA and Nevada State Athletic Comission (NSAC).

UFC president Dana White has said that Jones could get up to a four-year ban based on his second positive test.

The first positive test occurred at UFC 200, when Jones was scratched from the card and replaced by Anderson Silva against Cormier when his sample was flagged for estrogen blockers. He was suspended for a year, though USADA carefully noted that while he did not exercise due diligence, he did not intentionally try to cheat.


Jones and his camp have adamantly denied taking any banned substances.

The process continues.


Kenai is a former Postmedia Network online news and sports editor. He is the Editor-in-Chief for MMA Crossfire.

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