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AVONDALE, AZ - NOVEMBER 15: Dale Earnhardt Jr., driver of the #88 Nationwide Chevrolet, and Kevin Harvick, driver of the #4 Budweiser/Jimmy John's Chevrolet, lead the field onto pit road due to rain during the NASCAR Sprint Cup Series Quicken Loans Race for Heroes 500 at Phoenix International Raceway on November 15, 2015 in Avondale, Arizona. (Photo by Matt Sullivan/NASCAR via Getty Images)

AVONDALE, AZ - NOVEMBER 15:  Dale Earnhardt Jr., driver of the #88 Nationwide Chevrolet, and Kevin Harvick, driver of the #4 Budweiser/Jimmy John's Chevrolet, lead the field onto pit road due to rain during the NASCAR Sprint Cup Series Quicken Loans Race for Heroes 500 at Phoenix International Raceway on November 15, 2015 in Avondale, Arizona.  (Photo by Matt Sullivan/NASCAR via Getty Images)