Jan.10 - A man close to the negotiations has issued a firm "no comment" on whether Williams' 2018 driver lineup is now complete.
However, former F1 driver Mika Salo is not commenting.
"I cannot comment on anything about that at all," he is quoted by Ilta Sanomat newspaper.
The Finn, who drove for Ferrari and Toyota, is now the sporting director of SMP Racing -- the motor racing arm of the Russian bank SMP that will reportedly back 22-year-old Sirotkin to the tune of $20 million in 2018.
Book discounted tickets and reservate your hotel room in our F1 Tickets Shop.