NASCAR Sprint Cup Series Preseason Thunder

NASCAR Sprint Cup Series Preseason Thunder

DAYTONA BEACH, FL – JANUARY 10: John Darby (L), managing director of competition for NASCAR, and Robin Pemberton, vice president of competition for NASCAR, speak with the media during NASCAR Sprint Cup Series Preseason Thunder testing at Daytona International Speedway on January 10, 2013 in Daytona Beach, Florida. (Photo by Jared C. Tilton/Getty Images for NASCAR)

Greg Engle