The Nascar

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Kyle Busch (18) and Danica Patrick wreck on the last lap of the NASCAR Sprint Cup auto race at Daytona International Speedway, Saturday, July 6, 2013, in Daytona Beach, Fla. (AP Photo/David Graham)

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Jimmie Johnson celebrates in Victory Lane after winning the NASCAR Sprint Cup auto race at Daytona International Speedway, Saturday, July 6, 2013, in Daytona Beach, Fla. (AP Photo/Reinhold Matay)

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Matt Kenseth celebrates his victory in the NASCAR Sprint Cup auto race at Kentucky Speedway in Sparta, Ky., Sunday, June 30, 2013 by hoisting the trophy above his head in the winner's circle. (AP Photo/Garry Jones)

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Sprint Cup Series driver Greg Biffle celebrates his win in the NASCAR Quicken Loans 400 auto race at Michigan International Speedway, Sunday, June 16, 2013 in Brooklyn, Mich. (AP Photo/Carlos Osorio)