Driver Greg Biffle (16) drives below Jeff Burton (31) who hits the 

Driver Greg Biffle (16) drives below Jeff Burton (31) who hits the wall during a NASCAR Sprint Cup Series auto race at Kansas Speedway in Kansas City, Kan., Sunday, Oct. 21, 2012. (AP Photo/Colin E. Braley)
Associated Press
Driver Greg Biffle (16) drives below Jeff Burton (31) who hits the wall during a NASCAR Sprint Cup Series auto race at Kansas Speedway in Kansas City, Kan., Sunday, Oct. 21, 2012. (AP Photo/Colin E. Braley)
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