Valtteri Bottas has claimed he was assured of his place as a “pillar” of the Sauber/Audi Formula 1 programme and labelled his period with the Hinwil-based outfit a “mistake”.The Finn joined Sauber for the 2022 season, when it was still called Alfa Romeo, and found some success, securing a top 10 finish in the drivers’ championship.But the team has regressed in the past two seasons and …Keep reading