World champion in 1978 with Ferrari Mario Andretti believes that Sebastian Vettel has the strength to lead the Scuderia and return them to the top. Italians are hoping to attract four times world champion to repeat successful period with five titles of the legend of the sport and his teammate Michael Schumacher. "Sebastian will perform at a high level no matter what car will compete. He needed a change and a new challenge after winning everything a pilot could ask for," said Andretti.