Nico Rosberg believes Red Bull is experiencing a ‘brain drain’ after their latest defeat at the Italian Grand Prix. Max Verstappen finished in sixth place and 37 seconds off eventual winner Charles Leclerc, while teammate Sergio Perez failed to improve on his qualifying position and finished in eighth. It was the sixth race in a row that Verstappen has lost having not won a race since the Spanish GP in June, while it was the third time in four races that Red Bull did not finish on the podium. In a season that started off promising for Red Bull, it has turned into a nightmare as they have encou…