FONTANA, CA - MARCH 20: Austin Dillon, driver of the #3 American Ethanol Chevrolet, and Kevin Harvick, driver of the #4 Jimmy John's Chevrolet, lead a pack of cars at the start of the NASCAR Sprint Cup Series Auto Club 400 at Auto Club Speedway on March 20, 2016 in Fontana, California. (Photo by Brian Lawdermilk/NASCAR via Getty Images)