Valtteri Bottas is hoping to earn a contract extension at the Sauber team ahead of their 2026 transition to Audi. He is one of the last remaining drivers facing an uncertain future. 14 of the 20 are under contract for next year. Of the remaining six, Kevin Magnussen and Zhou Guanyu know they’ll almost certainly have to continue their careers in either a reserve role or a different series. Sergio Perez and Liam Lawson are both auditioning for their futures in the Red Bull programme in the final six races. Meanwhile, Franco Colapinto is challenging Bottas for the Sauber drive after a magnificent…