Sinner set for hero’s welcome in Rome but how will the locker room react?

The world No 1 returns at next week’s Italian Open after a three-month anti-doping suspension amid a saga that left players questioning the fairness of the systemJannik Sinner could not help but crack a wry smile when he faced the media before the US Open last year in the aftermath of his anti-doping case, one of the most high-profile in the history of tennis.Sinner, the best player in the world, had been attempting to emphasise just how low the concentration of the banned substance closte