Jimmie Johnson

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Driver Jimmie Johnson (48) makes a pit stop during a NASCAR Sprint Cup Series auto race, Sunday Aug. 4, 2013, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

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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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Jimmie Johnson crosses the finish line to win the NASCAR Pocono 400 auto race on Sunday, June 9, 2013, in Long Pond, Pa. (AP Photo/Matt Slocum)

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Jimmie Johnson celebrates with his crew in victory lane after winning the NASCAR All-Star auto race at Charlotte Motor Speedway in Concord, N.C., Saturday, May 18, 2013. (AP Photo/Nell Redmond)

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Jimmie Johnson celebrates after winning the STP 500 NASCAR Sprint Cup series auto race at Martinsville Speedway in Martinsville, Va., Sunday, April 7, 2013. (AP Photo/Steve Helber)

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Jimmie Johnson, left, talks with his crew chief, Chad Knaus, outside his garage after practice for the NASCAR Sprint Unlimited Shootout auto race at Daytona International Speedway, Friday, Feb. 15, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

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Brad Keselowsk is dueling with Jimmie Johnson for the Sprint Cup championship, with just races left in the season. (Associated Press)

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Jimmie Johnson (48) celebrates with the checkered flag in victory lane following his win in the NASCAR Sprint Cup Series auto race at Texas Motor Speedway, Sunday, Nov. 4, 2012, in Fort Worth, Texas. (AP Photo/Tony Gutierrez)

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Jimmie Johnson celebrates in Victory Lane after winning the NASCAR Sprint Cup Series auto race at Martinsville Speedway, Sunday, Oct. 28, 2012, in Martinsville, Va. (AP Photo/Don Petersen)

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Driver Jimmie Johnson (48) during a NASCAR Sprint Cup Series auto race at Kansas Speedway in Kansas City, Kan., Sunday, Oct. 21, 2012. (AP Photo/Colin E. Braley)