'Unexpected brake problem' caused Marquezs crash from COTA MotoGP lead

Qualifying third on the grid, Marquez was tipped by many coming into Sundays grand prix to add an eighth Americas GP win to his tally.A factor in that victory battle, Marquez took the lead of a race for the first time as a Ducati rider on lap 11 when he carved past Tech3 rookie Pedro Acosta at Turn 1.But Marquez crashed out going into Turn 11 just moments later, which he said was down to an ... Keep reading