Marc Marquez claimed his sixth MotoGP world title after winning in Thailand.
Despite being taken to hospital after a crash in first practice earlier this week, the 26-year-old was fit enough to secure his fourth successive title with four races remaining.
Marquez went into the race needing to win by two points more than nearest rival Andrea Dovizioso and managed to do so as the Italian finished fourth.
The Spaniard re-took the lead from Fabio Quartararo on the final corner of the last lap in a thrilling finish.
Marquez's sixth crown moved him ahead of Australian rider Mick Doohan in the all-time list of world titles.