Coach Dabo Swinney said it's possible Clemson accidentally gave some of its players ostarine, which is banned under NCAA rules.

Russia will be able to compete at next year's Paralympics after being reinstated Friday, more than two years after a suspension for doping.

UFC light heavyweight champion Jon Jones has been granted a one-fight license by the Nevada State Athletic Commission.

Carl Grove, a 90-year old cyclist from Bristol, Indiana, tested positive for a banned substance after setting a world record.

Jon Jones defiantly defended himself during a passionate, occasionally ridiculous performance at a news conference in Los Angeles.

Russian authorities prevented WADA inspectors from accessing key doping data they had previously agreed to hand over.

'Alex Rodriguez didn’t raise half a billion dollars and try to save a bunch of people’s lives. That’s kind of the irony of this.'

His laywers said the tour 'rushed to judgment in accusing one of the hardest-working players in golf.'

The World Anti-Doping Agency dismissed his commentary as 'old and baseless allegations.'

Justin Wayne will go to prison and pay a huge fine.