The Brazilian Formula One driver Rubens Barrichello has signed for Williams and will leave current stable Brawn GP at the end of the season.
Barrichello, currently on a reputed $2.5 million a year has signed for 2010 season with an option to extend for another year.
A Brazilian newspaper report says Williams will pay him "four times more" plus win bonuses.
Barrichello is duelling with British stablemate Jenson Button for the championship as the season enters its final stretch with just Brazil and Abu Dhabi to come. He has 71 points to Button's 85.
