At 23, Jannik Sinner, the world’s top-ranked tennis player, announced the rehiring of fitness coach Umberto Ferrara, who was sidelined in August...
Jannik Sinner, the current world number one, received a three-month suspension after testing positive for clostebol, a substance banned by the World...
On the eve of his debut at the Australian Open, Italian tennis player Jannik Sinner, the current world number 1, received the...