International Motor Sports Association (IMSA) officials today announced a driver rating system, as well as pit and paddock regulations and various procedures to be implemented for the inaugural United SportsCar Racing season in 2014.Driver RatingsAll drivers participating in the 2014 series resulting from the merger between the American Le Mans...

International Motor Sports Association (IMSA) officials today announced a driver rating system, as well as pit and paddock regulations and various procedures to be implemented for the inaugural United SportsCar Racing season in 2014.Driver RatingsAll drivers participating in the 2014 series resulting from the merger between the American Le Mans...