At the beginning of the season nobody predicted such a clear victory. For at the start of the season the deck had been completely reshuffled: the surprising retirement of world champion Nico Rosberg followed a fundamental change of the rules. They "were developed, with the help of a large growth in aerodynamic performance, to build the fastest F1 cars in history. They should be harder for the drivers to drive and hopefully, from the point of view of the fans, look more spectacular," said Motorsport boss Toto Wolff. Whilst a second driver in the Finn, Valtteri Bottas, was relatively quickly found, dealing with the completely redeveloped Silver Arrows became a major challenge.