Felipe Nasr to join Marcus Ericsson at Sauber in 2015

Sauber have signed Felipe Nasr to partner Marcus Ericsson in an all-new line up for the 2015 Formula One world championship.

Nasr, 22, already has previous F1 experience: he has competed in four Grand Prix practice sessions for Williams this year as part of his duties as test and reserve driver, and has also tested for the team on two separate occasions at Bahrain