Sinner parts ways with coaches after avoiding ban over drug tests
Jannik Sinner has confirmed that he has parted ways with fitness coach Umberto Ferrara and physio Giacomo Naldi after avoiding a ban over two failed drug tests.
Jannik Sinner has confirmed that he has parted ways with fitness coach Umberto Ferrara and physio Giacomo Naldi after avoiding a ban over two failed drug tests.