Valtteri Bottas says he is ‘motivated’ by what the Stake F1 Team driver has seen of the Sauber squad’s 2024 car throughout the winter at their factory in Hinwil, Switzerland. Last year was a ‘disappointment’ for the 34-year-old as Sauber ended the season just ninth in the constructors’ championship. Bottas was ‘expecting more’ in their final year running as Alfa Romeo. But he could only take P15 in the drivers’ standings with 10 points in 22 rounds. Teammate Zhou Guanyu even only ended the year P18 in the drivers’ championship with six points. Their season was only enough to beat Haas with 12 …