Dani Pedrosa takes pole at Sunday 's second grand prix . Casey Stoner suffers suspected torn ankle ligaments in crash . Nicky Hayden thrown from car , knocked unconcious . Spanish rider Hector Barbera has been replaced in tomorrow 's race by Toni Elias after it was confirmed he cracked three vertebrae in a crash during Friday 's practice session . Tony Barbera suffered cracked ribs in crash on track .
Dani Pedrosa takes pole at Sunday 's second grand prix . Casey Stoner suffers suspected torn ankle ligaments in crash . Nicky Hayden thrown from car , knocked unconcious . Tony Barbera suffered cracked ribs in crash on track .