Nicky Hayden takes pole at Friday 's Indianapolis grand prix . Casey Stoner suffers suspected torn ankle ligaments in crash . The first red flag of the session came after Casey Stoner suffered a suspected torn ankle ligament when he went off early in the session . Hector Barbera thrown from bike , knocked unconcious . Nicky Hayden suffered cracked vertebrae in crash on Sunday .
Nicky Hayden takes pole at Friday 's Indianapolis grand prix . Casey Stoner suffers suspected torn ankle ligaments in crash . Hector Barbera thrown from bike , knocked unconcious . Nicky Hayden suffered cracked vertebrae in crash on Sunday .