Motorcycling: Marc Marquez takes fourth MotoGP title in five years

Marc Marquez became the youngest four-time MotoGP champion on Nov 12, 2017.
Marc Marquez became the youngest four-time MotoGP champion on Nov 12, 2017. PHOTO: AFP

VALENCIA (Reuters) - Honda's Marc Marquez won his fourth MotoGP world championship in five years on Sunday after his only rival Andrea Dovizioso crashed out of the season-ending race in Valencia.

The 24-year-old Spaniard, who had started on pole position with a 21-point lead, becomes the sport's youngest ever four-time champion in the top category.