Tennis: Sinner re-appoints former fitness coach, a year after doping ban
Jannik Sinner has rehired Umberto Ferrara as his fitness coach, reversing his decision to dismiss him following a doping case where Sinner served a three-month ban after testing positive for Clostebol.
Jannik Sinner has rehired Umberto Ferrara as his fitness coach, reversing his decision to dismiss him following a doping case where Sinner served a three-month ban after testing positive for Clostebol.
