Four-time Formula One World Champion Alain Prost does not believe that Mercedes are unbeatable this season.
Many parallels have been drawn regarding the similarity between the all dominating McLaren team which won all but one race one season with Alain Prost and Ayrton Senna at the peak of their game and the current team of Nico Rosberg and Lewis Hamilton at Mercedes.
Mercedes can be caught – Prost
