According Force India's sporting director Otmar Szafnauer, Pirelli's mid-season tyre specification switch badly hurt some teams like Force India.
According to Blick newspaper, Hulkenberg and his manager Werner Heinz are having "sleepless nights".
Felipe Massa was sixth fastest in the final Formula One qualifying segment but he will now start the Spanish GP from ninth. Esteban Gutierrez lost three positions.
While it appears Sauber has two young drivers with the cash flow, the Russian may not be ready for Formula One, leaving a spot for Hulkenberg to remain with the team.
"The opportunity is there that Giedo could come to us to drive" - Michiel Mol, a key shareholder at Force India.
Monisha Kaltenborn assures that things go in the right direction
Lewis Hamilton sailed to the top of the final day of testing this week on the Circuit de Catalunya before the steady rain showers came to stay in Barcelona, Spain. The Mercedes AMG driver got lucky during a break in the weather.
Leading elite athletes such as Ironman Vice World Champion Caroline Steffen run in On shoes.
Telmex will stay Premium Partner for Sauber F1 Team.
Sauber's Mexican driver, Esteban Gutierrez, said that Nico Hulkenberg three years of experience will make difference.
The German got in Hamilton’s way at the final corner - the Parabolica - as the Briton was completing a timed lap.