World tennis number one Jannik Sinner is after a fresh start heading into the final grand slam of the season.

The Italian has fired his physio and fitness trainer on the eve of the US Open, which starts at Flushing Meadow this week, after he tested positive for a banned substance through accidental contamination. 

Former WADA director general David Howman outlined the controversy with Piney.

LISTEN ABOVE

World tennis number one Jannik Sinner is after a fresh start heading into the final grand slam of the season.
The Italian has fired his physio and fitness trainer on the eve of the US Open, which starts at Flushing Meadow this week, after he tested positive for a banned substance through accidental contamination. 
Former WADA director general David Howman outlined the controversy with Piney.
LISTEN ABOVE

Weekend Sport with Jason Pine on Newstalk ZB brings you all the action and reaction to the sporting weekend.

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