SUBSCRIBE ► Mercedes boss Toto Wolff takes on his two drivers Lewis Hamilton and Valtteri Bottas in a three-way Mercedes GTR Battle around Silverstone, filmed earlier this year. Who do you think will come out on top? Add the Sky Sports F1 TV channel to your Sky package by clicking here ► MORE FROM SKY SPORTS F1: ►FACEBOOK: ►INSTAGRAM: ►TWITTER: MORE FROM SKY SPORTS ON YOUTUBE: ►SKY SPORTS FOOTBALL: ►SKY SPORTS BOXING: ►SOCCER AM: ►SKY SPORTS CRICKET: ►SKY SPORTS: ►SKY SPORTS CRICKET: