Brazilian international, Fred, has been banned for playing for his international team on suspicion of doping.
The concerns now means that Fred will be forbidden from all activities involving the Brazilian national team, after the Confederação Brasileira de Futebol announced on Friday that a B-sample has come back positive, which shows the player to have used a diuretic substance hydrochlorothiazide.
Fred pleads innocence
It's a substance that helps you avoid high blood pressure and heart and kidney problems. Even though that seems harmless, the substance may be being used to mask other, stronger substances.
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But the man in focus is still arguing that he's innocent.
”I’ve never taken any illegal substances” he stated, as per BBC Sport.
”I have a clean career and I have everybody’s support."
On Tuesday it was known that he had been tested positive in an A-sample after a game during Copa America, where the proud football nation went out already in the quarter-finals, losing in a penalty shoot-out to Paraguay.
Fred has played for Ukrainian side Shakhtar Donetsk since 2013, when he was bought for an estimated €15million euros from Brazilian club Internacional.
A fledgling career
He has played for both the U21 Brazilian national team, where he managed two games, and for the senior side, where he's now featured in six games.
Even though Shakhtar Donetsk and Fred had received several warnings from the European association, UEFA, Fred was on the field for the Champions League qualification match against Turkish side Fenerbahce on Tuesday.
Football fans, do you think Fred needs a harsh punishment if found guilty of doping? Let us know in the comments box below.