Jannik Sinner rehired fitness trainer Umberto Ferrara after originally parting ways due to his Clostebol case.

Just weeks after the Italian parted ways with fitness trainer Marco Panichi, the four-time Grand Slam champion has now made ...

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

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