SA's Brad Binder just misses out on podium in crash-filled Aragon GP

Enea Bastianin won the Aragon MotoGP with a last-lap overtake after mayhem at the start as world champion Fabio Quartararo crashed out to put a severe dent in his hopes of retaining the title. 

South Africa's Brad Binder finished in fourth position. 

A well-deserved round of applause for @BradBinder_33 ??The South African brings home a stunning P4! #AragonGP ?? pic.twitter.com/fhRkUrw2S4

Bastianini shaded Francesco Bagnaia following a nerve-jangling duel over the closing laps to deny the factory Ducati rider a fifth straight win by four-tenths of a second.

With Quartararo the victim of first lap drama, Bagnaia moved to within 10 points of Yamaha's defending champion with five races remaining. 

"Enea did an incredible job all weekend, he was very competitive," said Bagnaia. 

"Fabio (Quartararo) was unlucky. I tried to do my best, but on the last lap, I didn't feel I was able to retake Enea as these 10 points are important, so I did okay." 

"It was a really nice race for me," said Bastianini, on a Ducati satellite bike. 

"I made some mistakes, but on the last lap, I was in a position to attack this time to win. Amazing!" 

Aprilia's Aleix Espargaro took third at the end of a breathless 15th round of the championship, which saw six-time world champion Marc Marquez's hopes of a dream return after 112 days out turn into a nightmare. 

It was Marquez's Honda that Quartararo clipped, sending the Frenchman slithering across the track as his Aragon curse continued at the Motorland circuit where he has never made the podium. 

Seconds later Honda's Japanese rider Takaaki Nakagami also hit the deck, after contact again with Marquez, who was forced to retire with damage to his bike. 

Yamaha boss Lin Jarvis reported his star man Quartararo had