Jon Jones ‘B’ sample has also come back positive for the steroid Turinabol, according to a report from ESPN.com.
Jones initially tested positive for the banned substance during an in-competition urine test administered by USADA on July 28. The Jackson-Wink MMA product defeated Daniel Cormier via third-round technical knockout to regain the light heavyweight title in the UFC 214 headliner in Anaheim, Calif., on July 29.
"Mr. Jones 'B' sample has confirmed the 'A' sample findings,”a USADA spokesperson told ESPN. "Importantly -- as previously stated -- due process should occur before drawing any conclusions about this matter.