Today the UFC announced that former UFC heavyweight champion, Josh Barnett has been notified by USADA of a potential substance violation. If Barnett is found to have tested positive for a banned substance, this would be the 4th time in his career that he has tested positive for a banned substance. Barnett was stripped of his UFC heavyweight title after winning it at UFC 36 due to a banned substance violation.
Barnett has not yet commented about the possible violation.
Barnett is currently ranked #8 in the official the MMA Takeover rankings heavyweight rankings.