`` It was a hard decision for me to make as a Team Principal Nick Heidfeld joins Sauber for the rest of the 2011 Formula One season . Heidfeld replaces Pedro de la Rosa , who is 'surprised ' by the decision . Comment:
Nick Heidfeld joins Sauber for the rest of the 2011 Formula One season . Heidfeld replaces Pedro de la Rosa , who is 'surprised ' by the decision . Comment: