BOITUMELO RANTAO FORMULA One makes a stop at Silverstone for the first of two rounds at the British circuit. This will be the first time that the UK will hold back-to-back F1 events over consecutive race weekends. The first round at Silverstone also marks the first race in a second set of successive triple-headers in the revised Formula One calendar. Mercedes arrive at Silverstone as favourites after claiming victory in Austria, through Bottas in the first round and Hamilton in the second, with the latter winning again in the Hungarian GP. “We've had a good start to the season: we…