Jannik Sinner shocked the tennis world by rehiring Umberto Ferrara - his former fitness coach linked to the clostebol doping controversy - nearly a year after their abrupt split.

World No 1 Jannik Sinner rehired fitness coach Umberto Ferrara days after defeating Carlos Alcaraz to be crowned Wimbledon ...

Wimbledon champion Jannik Sinner has re-appointed his former fitness coach Umberto Ferrara with immediate effect, the Italian world number one confirmed on Wednesday.

Jannik Sinner will compete for the first time since conquering Wimbledon. The four-time Major winner will try to defend the ...

ATP World No. 1 Jannik Sinner was asked about his decision to rehire his old fitness coach Umberto Ferrara less than a year ...

Concern and questions surround Jannik Sinner just days before the US Open. The withdrawal of the world number one during the ...

ROME -- ROME (AP) — Wimbledon champion Jannik Sinner has rehired Umberto Ferrara as his fitness coach nearly a year after firing him for his role in the top-ranked player’s doping case.

Wimbledon champion Jannik Sinner has rehired Umberto Ferrara as his fitness coach nearly a year after firing him for his role in the top-ranked player's doping case.

Concerns and questions surrounding Jannik Sinner just days before the US Open. The withdrawal of the world number one during ...