Sinner tested positive twice for an anabolic steroid during the 2024 Indian Wells Tournament. He tested positive for a substance called Clostebol, which is notably banned in tennis, and he was first ...

Jannik Sinner has reappointed Umberto Ferrara as his fitness coach after nearly a year apart, following the player’s doping ...

World No. 1 Jannik Sinner is facing immense backlash for rehiring Umberta Ferrara, the same fitness trainer he fired a year ...

Imani Schawsmidth discusses the controversy – and potential underlying politics – behind the handling of Jannik Sinner’s ...

Jannik Sinner captured his first Wimbledon title on Sunday, but a dark cloud hangs over the most significant win of his young ...

Wimbledon champion Jannik Sinner has re-hired his former fitness coach, Umberto Ferrara, who the men's world No.1 dropped ...

Jannik Sinner's Wimbledon victory is shadowed by a past Clostebol controversy, raising questions about fairness and perception. Despite serving a ban ...

Jannik Sinner won his fourth career grand slam at Wimbledon in 2025. But it has been a turbulent period for the Italian tennis star ...

Wimbledon champion Jannik Sinner has rehired former fitness coach Umberto Ferrara. Sinner had parted ways with Ferrara ...

Nick Kyrgios mocked Jannik Sinner's controversial decision to reappoint Umberto Ferrera, the fitness coach who was fired during the Italian's doping scandal. The World No.

The feud between tennis stars Jannik Sinner and Nick Kyrgios has reignited after the Wimbledon champion rehired the coach who ...

Jannik Sinner has rehired his former fitness coach, Umberto Ferrera, just ahead of the US Open, a figure who was previously linked to his doping controversy.