Kyle Busch wrecks along the wall during the NASCAR Sprint Cup Series auto race, Sunday, June 1, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)
Jimmie Johnson drives during the NASCAR Sprint Cup series auto race, Sunday, June 1, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Molly Riley)
Jimmie Johnson drives during the NASCAR Sprint Cup series auto race, Sunday, June 1, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Molly Riley)
Jimmie Johnson drives during the NASCAR Sprint Cup series auto race, Sunday, June 1, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Molly Riley)
Kyle Busch celebrates in Victory Lane after winning the NASCAR Nationwide series auto race, Saturday, May 31, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Molly Riley)