Rosberg fired up by Mercedes progress

Nico Rosberg says he is fired up by the progress he has seen at Mercedes - even though he concedes the team is not in race-winning shape yet.

Source: http://www.iracing.com/inracingnews/formula-one-news/f1-formula-one-news/rosberg-fired-up-by-mercedes-progress

Scott Russell Riggs Hiroshi Fushida Beppe Gabbiani Bertrand Gachot Patrick Gaillard