SINGAPORE - SEPTEMBER 18: Nico Rosberg of Germany and Mercedes GP drives during practice for the Formula One Grand Prix of Singapore at Marina Bay Street Circuit on September 18, 2015 in Singapore. (Photo by Clive Mason/Getty Images)
SINGAPORE - SEPTEMBER 18: Nico Rosberg of Germany and Mercedes GP drives during practice for the Formula One Grand Prix of Singapore at Marina Bay Street Circuit on September 18, 2015 in Singapore. (Photo by Clive Mason/Getty Images)