Jannik Sinner won the ATP Finals against Taylor Fritz in front of a home crowd. For a man who is still under a doping cloud, Sinner is hitting the cleanest winners.

It only made sense that Jannik Sinner's breakout year ended with a celebration in Turin, Italy. The Italian superstar won his first two Grand Slams this year and completed the season by winning the ATP Finals title. He is the first Italian to win the year-end tournament.

Jannik Sinner cemented his status as the best player in men’s tennis by winning a first ATP Finals title in front of his home fans in Turin. The Italian has got better and better as the season has gone on, despite the doping case hanging over his head that could still lead to a suspension.