Italy's Francesco Bagnaia enjoyed a dream day as he retained his MotoGP world title and crowned it with victory in the final race of the season in Valencia on Sunday.

Spain's Jorge Martin won a thrilling Thailand MotoGP race Sunday to close the gap on Francesco Bagnaia in the world championship race.

Francesco Bagnaia claimed the MotoGP crown in the season-ending Valencia Grand Prix on Sunday to pull off the greatest title turnaround in the championship's history.