Australian Jack Miller rode to only his second MotoGP victory in Jerez on Sunday as Ducati team-mate Francesco Bagnaia finished second to take the overall championship lead. Miller, who underwent surgery early in April, took the lead when pre-race championship leader Fabio Quartararo started to lose pace midway through the race. The Frenchman finished 13th. Franco Morbidelli was third on a Yamaha. pb/nr