Input (grade 13): Of Brawn's 2009 drivers, Jenson Button signed for McLaren, whilst Rubens Barrichello moved to the Williams team for 2010, resulting in Mercedes selecting a new driver line-up of Michael Schumacher and Nico Rosberg.
Output (grade 7): Brawn's former drivers Jenson Button joined McLaren, and Rubens Barrichello joined Williams team for 2010.