Valtteri Bottas will remain at the Williams team for what will be his fifth season with the team .
After much speculation as to who would replace the retiring Ferlipe Massa the Williams Martini team has announced their driver line - up for the 2017 Formula One season .
Valtteri Bottas will remain at the Williams Martini team for what will be his fifth season with the team .
After much speculation as to who would replace the retiring Ferlipe Massa the Williams Martini team has announced their driver line - up for the 2017 Formula One season .