Jannik Sinner was not about to announce the end of the “Big Three” after his breakthrough Grand Slam triumph at the Australian Open on Sunday. Still, the 22-year-old Italian does believe tennis needs a fresh generation of champions. His five-set victory over Daniil Medvedev made him the first Melbourne Park winner in 10 years, not named Novak Djokovic, Rafa Nadal, or Roger Federer – the trio of multiple champions who have dominated tennis for two decades. Sinner’s win in the
