Kasey Kahne (5) leads the field during the NASCAR Sprint Cup Series Food City 500 auto race on Sunday, March 17, 2013, in Bristol, Tenn. (AP Photo/Wade Payne)

Photo by: Wade Payne

Kasey Kahne (5) leads the field during the NASCAR Sprint Cup Series Food City 500 auto race on Sunday, March 17, 2013, in Bristol, Tenn. (AP Photo/Wade Payne)