(L to R): The Cepsa Vice President of Marketing; Max Verstappen (NLD) Scuderia Toro Rosso; Franz Tost (AUT) Scuderia Toro Rosso Team Principal; and Carlos Sainz Jr (ESP) Scuderia Toro Rosso, at the Scuderia Toro Rosso STR10 unveiling.Formula One Testing, Preparation Day, Saturday 31st January 2015. Jerez, Spain.