Pramac’s Jorge Martin led the way in opening practice for the British Grand Prix on Friday, leading Aprilia duo Maverick Vinales and Aleix Espargaro.Aprilia led the majority of the 45-minute session at Silverstone, having won last year’s race with Aleix Espargaro at the wheel of the RS-GP.Maverick Vinales set the early pace on the factory bike with a 2m01.436s, before improving to a 2m00.319s …Keep reading