Swiss team Sauber's new Russian partners will result in Sirotkin being groomed for a 2014.
While Timo Glock prepares for a DTM test, the focus shifts to which F1 driver will take the German's seat at Marussia. Apparently not Vitaly Petrov.
Gutiierrez stays in Sauber, while Sirotkin will be a test driver; Koboyashi spotted at Caterham.
Lotus boss Eric Boullier commented: "So we're actually a little disappointed by this change"
Alguersuari indicated he will keep working with Pirelli.
Pirelli test driver Jaime Alguersuari appears to plan a move to IndyCar with Panther Racing in the American open-wheel series.
Drivers with powerful backers overshadowed Jaime this season, and now he is losing hope for the future in F1 at all
Tost acknowledged that Vergne will have to take on a leadership role in 2014.