Heidfeld Leaves Pirelli to Race for Sauber in Last 5 GPs

Nick Heidfeld has rejoined the ranks of racing Formula One drivers, replacing veteran Pedro De la Rosa at Sauber. Heidfeld has completed two full tests with Pirelli on the manufacturer’s new Formula One tyres after leaving the Mercedes GP team and had been thought to be continuing the testing process with the 2011 tyre supplier, but according to reports on the BBC’s website, he has “extricated himself from those commitments”. Sauber’s principal Peter Sauber has not commented on why De la Rosa left, or the signing of Heidfeld.

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