Dominic Thiem: We'll see a new Grand Slam champion in 2020

*Sydney:* World number four Dominic Thiem Thursday expressed confidence a new Grand Slam champion will be crowned in 2020 outside the big three of Novak Djokovic, Rafael Nadal and Roger Federer. While the Austrian, Germany's Alexander Zverev, Greece's Stefanos Tsitsipas and others have had success at lesser tournaments, the big...