Audi’s new head of Formula 1 Mattia Binotto has to come up with a solution for why Sauber have sunk to the back of the grid. Formally called Stake F1 Team Kick Sauber, the team have been at the wrong end of the paddock under several of their most recent guises. Sauber haven’t finished in the top five of the Constructors’ Championship since 2008 when Nick Heidfeld and Robert Kubica were with the team. A whole host of drivers have been and gone since then and ahead of Sauber’s final season before Audi make their Formula 1 debut, the team have yet to confirm their final line-up. Nico Hulkenberg c…