Mercedes boss plays down Verstappen phone call

By Alan Baldwin SAO PAULO (Reuters) - Max Verstappen says he will take the fight to Lewis Hamilton and Nico Rosberg in Sunday's Brazilian Grand Prix and cannot be expected to do otherwise, despite Mercedes boss Toto Wolff ringing the Dutch teenager's father to discuss the situation. "I am racing for Red Bull, not Mercedes." Verstappen spoke after Red Bull bosses stirred up a storm over a telephone conversation between Wolff and Jos Verstappen ahead of what is a potential Formula One title decide