Wimbledon champion Jannik Sinner has reappointed former fitness coach Umberto Ferrara, who the men's world No.1 dropped after ...

John McEnroe was left shocked when Jannik Sinner tested positive for doping in 2024. Struggling to make sense of it, he ...

Off the court though, the optics are less appealing. After serving a three-month suspension for a doping violation, which tarnished his reputation, Sinner has added fuel to the fire by rehiring a ...

Following his doping scandal in 2024, Sinner fired Giacomo Naldi and Umberto Ferrara, two fitness coaches who played a role ...