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

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 re-hired fitness trainer Umberto Ferrara, who was involved in the doping controversy that shook the tennis ...

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

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 ...

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

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

The Italian world No.1 failed two drug tests in 2024, which eventually saw him suspended at all tennis competitions from ...

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.

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

Carlos Alcaraz has already spoken out on Jannik Sinner's controversial doping ban as the pair prepare to face each other in ...