A frantic final race of the 2017 Blancpain GT Series Sprint Cup saw #17 Team WRT Audi duo Robin Frijns and Stuart Leonard take the win and the title. Franck Perera-Maxi Buhk (#84 Mercedes-AMG Team HTP Motorsport) and Dries Vanthoor-Marcel Fässler (#5 Belgian Audi Club Team WRT R8 LMS) both...