Defending champion Jannik Sinner out of Shanghai Masters with leg injury | Tennis News
Jannik Sinner of Italy (AP Photo/Mahesh Kumar A.) SHANGHAI: Defending champion Jannik Sinner retired Sunday from the Shanghai Masters after suffering a leg injury in his third-round match against the Netherlands’ Tallon Griekspoor. The world number two began to experience issues in the fourth game of the third set, and tried to persevere before abandoning…