Jannik Sinner has caused widespread astonishment by choosing to work again with Umberto Ferrara, one of the key figures ...

Jannik Sinner has rehired his former fitness trainer, Umberto Ferrara, who left his camp last year after the Italian twice ...

Wimbledon champion Jannik Sinner rehires Umberto Ferrara as his fitness coach for the hard-court season, after previously ...

Wimbledon champion Jannik Sinner has re-appointed his former fitness coach Umberto Ferrara with immediate effect, the Italian ...

Sinner parted ways with Ferrara and physiotherapist Giacomo Naldi last year following the investigation into his positive tests for banned substance clostebol.

Tennis world No 1 Jannik Sinner has brought back fitness trainer Umberto Ferrara to his coaching staff, despite Ferrara's ...

Wimbledon champion Jannik Sinner has rehired Umberto Ferrara as his fitness coach nearly a year after firing him for his role ...

Wimbledon champion had sacked Umberto Ferrara and his physiotherapist last year for their roles in his testing positive for ...

Jannik Sinner has rehired his former fitness trainer, Umberto Ferrara, who left his camp last year following two failed ...