DARLINGTON, SC - SEPTEMBER 04: Tony Stewart, driver of the #14 Coca-Cola Chevrolet, races during the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Jonathan Ferrey/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Race fans watch the NASCAR Sprint Cup Series Bojangles' Southern 500 during sunset at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Jonathan Ferrey/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Brad Keselowski, driver of the #2 Miller Lite Ford, races during the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Jonathan Ferrey/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Ryan Blaney, driver of the #21 Motorcraft/Quick Lane Tire & Auto Center Ford, and Clint Bowyer, driver of the #15 5-hour Energy Chevrolet, race during the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Brian Lawdermilk/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Carl Edwards, driver of the #19 ARRIS Toyota, races during the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Brian Lawdermilk/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: A general view of cars racing at sunset during the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Jonathan Ferrey/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Regan Smith, driver of the #7 Nikko RC Road Rippers Chevrolet, leads a pack of cars during the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Jonathan Ferrey/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Cars race at sunset during the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Jerry Markland/Getty Images)