Input (grade 12): ; 2006 For the 2006 season the team signed Nick Heidfeld from Williams to be their lead driver, while 1997 World Champion Jacques Villeneuve had his existing Sauber contract confirmed.
Output (grade 9): ; 2006 For the season the team signed Nick Heidfeld from Williams to be their lead driver, and retained Jacques Villeneuve as the second driver.