Drivers Matt Kenseth, left, and Kyle Busch talk before practice for Saturday's NASCAR Sprint Cup series auto race at Charlotte Motor Speedway in Concord, N.C., Friday, May 16, 2014. (AP Photo/Bob Jordan)
Kyle Busch crosses the finish line to winning the NASCAR Camping World Truck Series race at Kansas Speedway in Kansas City, Kan., Friday, May 9, 2014. (AP Photo/Orlin Wagner)
Kyle Busch celebrates after winning the NASCAR Camping World Truck Series race at Kansas Speedway in Kansas City, Kan., Friday, May 9, 2014. (AP Photo/Orlin Wagner)
Kyle Busch (51) passes Austin Dillon to take the lead in the NASCAR Camping World Truck Series race at Kansas Speedway in Kansas City, Kan., Friday, May 9, 2014. Busch won the race. (AP Photo/Orlin Wagner)