Despite the rumors of JV racing for Williams in French GP and also Marc Genè as he is the official reserve driver it is more likely that Antonio Pizzonia will replace Ralf at Magny-Cours. Pizzonia has been very quick on tests but there is a doubt about his performance during races.
It is a good opportunity to test him. If he performs well he can race also in Silverstone otherwise Marc Genè will be the driver. There is also a chance of a shake-down after magny-Cours to test JV. Let's wait and see...