Ralf Schumacher had a very impressive Formula 1 career but after 182 races and six race wins, he decided to call it a day at the end of the 2007 season. He had enjoyed spells with Jordan, Williams and Toyota, standing on the podium on 27 occasions. However, in an interview with Darren Reeves, Schumacher has admitted that a test ahead of the 2008 season went so badly that he decided he would rather retire than drive around at the back of the grid. Ralf Schumacher attempted to carve out a career in Formula 1 alongside his brother Michael, and while he won more championships than his younger sibl…