American Nicky Hayden boosted his MotoGP championship hopes with a second straight US Grand Prix victory.
The Italian kept alive the defence of his MotoGP title with a battling victory in the German Grand Prix.
The Italian Yamaha rider fought from 11th position at the start for his second straight win at the twisting Sachsenring circuit.
Italian racer Doriano Romboni died on Saturday after being struck by another rider's bike at an event in memory of late compatriot Marco Simoncelli, who was killed in a similar fashion two years ago.