Nico Rosberg secured pole position for Sunday`s Brazilian Grand Prix and his 10th this season by the narrowest of margins on Saturday when he outpaced world championship leader and Mercedes team-mate Lewis Hamilton.
Formula One championship leader Lewis Hamilton rounded off a hat-trick of fastest laps in U.S. Grand Prix practice on Saturday with Mercedes team mate and title rival Nico Rosberg 0.883 of a second slower after suffering a brake problem.
Formula One teams would need six months` notice to add a third car to their lineup, which makes any decision too late already for the start of next season, McLaren racing director Eric Boullier said on Thursday.
Lewis Hamilton regained the Formula One drivers` world championship lead on Sunday when he claimed victory in the Singapore Grand Prix after his Mercedes team-mate Nico Rosberg was forced to retire with electronic problems.
Lewis Hamilton edged his Mercedes team mate on his final flying lap to secure pole position for the Singapore Grand Prix on Saturday, the Briton crossing the line just 0.007 seconds ahead of the German.