Mercedes team principal Toto Wolff has explained Mercedes' temperature advantage in Las Vegas after Lewis Hamilton secured the top spot in both Free Practice se

Seven-time Formula 1 champion Lewis Hamilton paced both of Thursday night's practices at the Las Vegas Grand Prix just two weeks after one of the worst races of his career. The Mercedes driver was despondent over his performance in Brazil when he intimated after the race he wasn't even sure he wanted to finish the final three races of the season.