Sinner Splits with Physio and Fitness Coach Following Investigation.

Tennis General

Sinner Splits with Physio and Fitness Coach Following Investigation.

Jannik Sinner announced that he has parted ways with physiotherapist Giacomo Naldi and fitness trainer Umberto Ferrara after an investigation into his positive tests for a banned substance.

The world number one twice tested positive for clostebol, a muscle-building steroid, in March.

Last week, a tribunal cleared the Italian of any fault or negligence, with the International Tennis Integrity Agency (ITIA) concluding that Sinner was accidentally contaminated by Naldi. 

Naldi had used an over-the-counter spray—provided by Ferrara—on a cut on his own hand before treating Sinner.

"I want to start by saying they were a huge part of my career," Sinner said at a US Open press conference. "We achieved incredible success together, but due to these mistakes, I no longer feel confident continuing with them."