Red Bull's Helmut Marko takes swipe at Mercedes and Ferrari for not having the "balls" to promote young drivershttps://t.co/ENqOTEV7Hw— Autosport (@autosport) October 4, 2017
Red Bull's Helmut Marko takes swipe at Mercedes and Ferrari for not having the "balls" to promote young drivershttps://t.co/ENqOTEV7Hw