Jannik Sinner’s decision to reappoint Umberto Ferrara as his fitness coach raises major questions about judgment and principles. It gives conflicting messages about responsibility and trust when the ...

Jannik Sinner's decision to re-hire Umberto Ferrara as his fitness coach has generated a wide discussion in recent days, considering that the latter had been fired by the world number 1 about a year ...

Jannik Sinner Personal News Emerges on Wednesday originally appeared on Athlon Sports. Weeks after lifting his first ...

El campeón de Wimbledon Jannik Sinner volvió a contratar a Umberto Ferrara como su preparador físico, casi un año después de ...