By Harry Smith & Nathan Ridley Mercedes boss Toto Wolff pointed out that Formula 1 rival and good friend Fred Vasseur had lost weight ahead of his first season as Ferrari team principal. Wolff and Vasseurhave a strong relationship, one of the closest between team principals on the grid. In 2023, Frenchman Vasseur succeeded Mattia Binotto as Ferrari’s team principal, having arrived from Sauber. As seen during the first episode of Netflix’s sixth series of Drive to Survive, the pair were spotted speaking at the Sakhir International Circuit. In French, Austrian Wolff remarked to a surprised Vasse…