Avintia Ducati's Hector Barbera topped the second MotoGP practice session at a rainy Sachsenring, beating Marc Marquez by less than a tenth.
A short shower right before the start of the session forced riders to start the practice on wet tyres.
With the track drying, riders soon started to switch to dry tyres, only to have another period of torrential rain arrive and soak the track again.
First it was Danilo Petrucci's Pramac Ducati that took over the lead but Aprilia's Aleix Espargaro and then Andrea Dovizioso demoted him by more than half a second.
Then it was Marquez who moved back ahead with a 1m28.451s, before he went even faster twice more.
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