Nico Rosberg boost for Mercedes

Nico Rosberg led the way at the end of the first day of the second Formula One four-day test at the Circuit de Catalunya in Barcelona. The Mercedes driver posted a lap time of one minute 22.616 seconds, just 0.9 seconds slower than the pole time set by Lewis Hamilton in last year's Grand Prix.

Lotus' Kimi Raikkonen finished just 0.007sec adrift, with Ferrari's Fernando Alonso a further third of a second behind.