'Bad season was not all Valtteri Bottas' fault' - Mika Salo

Former Formula 1 driver Mika Salo has defended Valtteri Bottas at the end of a bad season for his fellow Finn.

Many are questioning Bottas' psychological state, after a disappointing season for the Mercedes driver and the looming threat his race seat posed for 2020 by Esteban Ocon.

Identifying the weak points

Some believe Bottas is being too openly critical of his own level of under performance.

READ: Valtteri Bottas' slump was Mercedes' only 2018 flaw - Ross Brawn

"I think it's ok to say it out loud," Salo told Finland's MTV.

"At least he has identified what were the weak points for him and will work in the winter so that they are not there next year," he added.

"Valtteri has no choice but to reset completely and start again next year.

Not Bottas fault

"Pretty much everything went wrong this year. Baku was really bad. If not for what happened he would have led the championship and who knows how the season would have gone after that," Salo continued.

Salo said Baku is just one example of how 2018 was not all Bottas' fault.

"There were so many little things that were just bad luck, not anything that Valtteri did badly. But they surely affected him on the mental side pretty badly," he said.