Kubica needs better "fitness" to be signed at Williams

Pole Robert Kubica needs to better his fitness if he has any intentions to drive in Formula 1 next year, as his long-run pace in the 2017 Renault F1 car was "inconsistent", that is the claim of Mark Hughes.

With Sainz Renault-bound, the option is out of the question for Kubica, but should Williams axe Felipe Massa, the Pole could be next on the hit list.

Read more here: www.f1hub.net/index.php/f1-2017/kubica-needs-further-work-on-fitness-for-williams-2018-drive/13321/