In this image taken with a slow shutter speed, driver Jeff Gordon (24) takes a practice lap Friday, May 9, 2014, at Kansas Speedway in Kansas City, Kan., for Saturday night's NASCAR Sprint Cup series auto race. (AP Photo/Colin E. Braley)
Crew members push the car of Jeff Gordon (24) to his garage Friday, May 9, 2014, at Kansas Speedway in Kansas City, Kan., for Saturday night's NASCAR Sprint Cup series auto race. (AP Photo/Colin E. Braley)
Driver Jeff Gordon (24) takes a practice lap Friday, May 9, 2014, at Kansas Speedway in Kansas City, Kan., for Saturday night's NASCAR Sprint Cup series auto race. (AP Photo/Colin E. Braley)
Driver Tony Stewart signs autographs while walking through the garage area, Friday, May 9, 2014, at Kansas Speedway in Kansas City, Kan., for Saturday night's NASCAR Sprint Cup series auto race. (AP Photo/Orlin Wagner)
Driver Carl Edwards signs autographs Friday, May 9, 2014, at Kansas Speedway in Kansas City, Kan., for Saturday night's NASCAR Sprint Cup series auto race. (AP Photo/Colin E. Braley)
Driver Carl Edwards adjusts his gloves before practice, Friday, May 9, 2014, at Kansas Speedway in Kansas City, Kan., for Saturday night's NASCAR Sprint Cup series auto race. (AP Photo/Colin E. Braley)