Former UFC heavyweight champion Fabricio Werdum has been notified of a potential doping violation by USADA from an out-of-competition drug test taken on April 25.
UFC officials announced the news on Tuesday.
"The UFC organization was notified today that the U.S. Anti-Doping Agency (USADA) has informed Fabricio Werdum of a potential Anti-Doping Policy violation stemming from an out-of-competition sample collected on April 25, 2018," UFC officials wrote in the statement.
Werdum will be provisionally suspended while awaiting the outcome of his potential violation of the UFC's anti-doping policy. All fighters are afforded an adjudication process under the UFC's anti-doping policy.
The bad news for Werdum comes less than a day after he was confirmed for his next fight, where he was expected to headline the first-ever UFC event in Russia on Sept. 15 in a match-up against Alexey Oleynik.
The UFC had never officially confirmed that match-up, so obviously no statement is being made about whether or not he will be pulled from the event.
The UFC card in Russia doesn't happen until September, but there's no telling how long it will take for Werdum to settle his case with USADA, especially considering potential sanctions he may face for a doping violation.
For now, Werdum will remained sidelined until his situation with USADA is resolved.