Dominic Thiem (finally) won a Grand Slam this year. After making his third Grand Slam final at the Australian Open, the global COVID-19 pandemic shut down Dominic Thiem's season just as it seemed like he was on the cusp of something great.
But after winning 3 exhibitions during the unexpected time off, he was in full form to win his maiden Slam at the US Open in New York. And while he came up shor...