GP3 champion Alex Lynn has joined Williams as the team's development driver, in addition to his already announced GP2 programme with DAMS.
The battle between Felipe Nasr and Stoffel Vandoorne for second place in the Drivers’ standings comes to an end.
Palmer secured the GP2 drivers' title in the penultimate round at Sochi, Russia in October.
Just like Formula One, GP2 Series will race for the first time in Russia this week.
The Englishman still has a comfortable lead in the drivers' championship
43 and 18 points represent the lead that the British driver and the Sarthe-based team have over their rivals as the GP2 season takes its summer break.
Just a few days after the end of Round 6 at Hockenheim, the GP2 paddock has moved to Budapest for the seventh round of the 2014 season.
Kiwi on top again with great drive and alternate tyre strategy