The German newspaper Bild claims the 35-year-old, who next month will set a new benchmark as the longest serving grand prix driver in history, has been asked to run with the Andretti-Green IndyCar team in 2009.

Barrichello's current contract with the F1 team Honda, owned by the Japanese marque that also equips Andretti-Green with engines, runs out at the end of 2008.

Bild raises the possibility of a seat 'swap'; Barrichello to IRL in exchange for Andretti-Green's Marco Andretti, the 21-year-old American son of former McLaren driver Michael Andretti, whose own father Mario won the world championship in 1978.

Reportedly, the American broadcaster Speed TV cited Barrichello as confirming the offer.

Marco Andretti has already collected about 900 kilometres of testing in a Honda F1 car.

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