Fangio, Prost, Schumacher and Vettel. In 2017 a fifth name joined the elite list of drivers crowned champion for a fourth time: Lewis Hamilton. But it wasn't easy for the Briton. From the opening race of the season in Australia to the title deciding race in Mexico, via a controversial clash in Azerbaijan, Hamilton traded blows with Sebastian Vettel as a revived Ferrari threatened to end the run of Mercedes... see more