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)
Kyle Busch, front, takes the checkered flag to win the NASCAR Nationwide series auto race, Saturday, May 31, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)
Kyle Busch celebrates with a burnout after he won the NASCAR Nationwide series auto race, Saturday, May 31, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)
Danica Patrick adjusts her hair before practice for the NASCAR Sprint Cup series auto race, Saturday, May 31, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)
Danica Patrick signs for fans after practice for the NASCAR Sprint Cup series auto race, Saturday, May 31, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)
Jimmie Johnson adjusts his helmet during practice for the NASCAR Sprint Cup series auto race, Saturday, May 31, 2014, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)