JEREZ DE LA FRONTERA, SPAIN - FEBRUARY 05: Ross Brawn the Mercedes Team Principal watches from the pitlane during Formula One winter testing at Circuito de Jerez on February 5, 2013 in Jerez de la ... more 

JEREZ DE LA FRONTERA, SPAIN - FEBRUARY 05: Ross Brawn the Mercedes Team Principal watches from the pitlane during Formula One winter testing at Circuito de Jerez on February 5, 2013 in Jerez de la Frontera, Spain. (Photo by Mark Thompson/Getty Images) less