Rossi returned to the Yamaha team for the 2013 season .
Nine - time world champion Valentino Rossi rode for Ducati Corse for the 2011 and 2012 seasons .
world champion returned to the Yamaha team for the 2013 season .
Nine - time world champion Valentino Rossi rode for Ducati Corse for the 2011 and 2012 seasons .