Friday's pacesetter Valtteri Bottas enjoyed a good start to his US GP weekend, but the Finn is facing a minimum five-spot grid drop in Austin – his third grid penalty in four races – following another engine change in the Mercedes camp. The German manufacturer is adding new units left and right to mitigate reliability issues, with Bottas taking on a sixth ICE element at the US Grand Prix, while Aston Martin's Sebastian Vettel and Williams' George Russell were also handed fresh Mercedes hardware at the Circuit of the Americas. The changes don't bode well for Lewis Hamilton whose odds of suffering another grid drop before the end of the season appear to be increasing. Contrary to Sochi,...
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