Aragon Grand Prix: Spain's Marc Marquez wins, leads Valentino Rossi by 52 points

Aragon: Marc Marquez extended his lead in the MotoGP world championship over rival Valentino Rossi with victory on home soil at the Aragon Grand Prix on Sunday.

Marquez started on pole and overcame a minor technical issue early in the race that saw him briefly slip down to fifth to claim his fourth win of the season.

Defending champion Jorge Lorenzo passed Yamaha teammate Rossi with five laps to go to take second.

Marquez now leads Rossi by 52 points with just four races remaining. Lorenzo is a further 14 points adrift in third.