In 2010 and 2011 , he won back - to - back world championships .
Toro Rosso 's Tost has no bitterness at the thought that with Vettel on board , the former Minardi team might have been pulled up the grid .
In 2010 and 2011 , he won back - to - back world championships , but Toro Rosso 's Tost has no bitterness at the thought that with Vettel on board , the former Minardi team might have been pulled up the grid .