F1 world champion Nigel Mansell is aiming to race in this year's Le Mans 24-hour classic. Tickets for Silverstone
The squad will run a factory-backed Ginetta-Zytek Z09R in the main prototype class of the Le Mans Series - and expectation to land an entry for the 24 Hours.
Greg and Leo will share the car with the 1992 world champion joining them at selected races, including the Silverstone 1,000km in September.
The fight between Button and Hamilton is one of the most eagerly-anticipated match-ups of the new season.
F1 supremo Bernie Ecclestone reckons Sebastian Vettel - and not Schumacher - will be Germany's next world champion.
Schumacher could well be joined back in F1 by his brother Schumacher.
Schumacher could interest Renault and Toro Rosso, who are on the lookout for a 2nd driver.
The German's return has fanned the flames forward of what is certain to be one of the most enthralling seasons in F1 history.
Despite his time away from sport, and the fact he will turn 41 on January 3, Ecclestone has no doubt Schumacher can go on to add to his record seven world titles.
MOTO GP megastar Valentino Rossi has turned down the opportunity to to be driver for Ferrari at next year's Le Mans 24-hour classic.
The reigning two-wheel world champion was given the opportunity by former Ferrari F1 ace Jean Alesi.
But it turned out to be an offer The Doctor could refuse.