I very clearly communicated both the nature of the product, and that it must not come into contact with Jannik," Ferrara told Gazzetta.
Jannik Sinner’s former physical trainer Umberto Ferrara has dropped a major claim in the wake of the tennis star’s doping ban ...
Jannik Sinner's fired former fitness trainer, Umberto Ferrara, has broken his silence on the doping scandal that has engulfed ...
Tennis world number one Jannik Sinner's former physical trainer Umberto Ferrara said on Thursday he was blameless in the case ...
Umberto Ferrara, Jannik Sinner's ex-fitness coach who bought the product that ultimately led to the ATP world No. 1 testing ...
Jannik Sinner is serving a three-month ban after testing positive for the banned substance clostebol in March 2024.
The ex-fitness coach of the reigning world number one, Jannik Sinner, Umberto Ferrara, has revealed that he informed ...
After almost a year of silence, Umberto Ferrara has decided to speak and recount the Sinner affair from the inside. He is the ...
Umberto Ferrara, former physical trainer of Jannik Sinner, spoke about the doping case involving Jannik Sinner. The Italian, ...
Jannik Sinner's former athletic trainer, Umberto Ferrara, recently provided a new twist to the mystery surrounding his positive drug test.