DARLINGTON, SC - SEPTEMBER 04: Race fans watch 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: Kyle Larson, driver of the #42 Target Chevrolet, races during the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Josh Hedges/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Austin Dillon, driver of the #3 American Ethanol 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: Austin Dillon, driver of the #3 American Ethanol 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: Martin Truex, Jr., driver of the #78 Auto-Owners Insurance Toyota, and AJ Allmendinger, driver of the #47 Kroger/Tyson 1977 Bruce Hill Throwback Chevrolet, race during the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Josh Hedges/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Martin Truex, Jr., driver of the #78 Auto-Owners Insurance Toyota, celebrates with a burnout after winning 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: Martin Truex, Jr., driver of the #78 Auto-Owners Insurance Toyota, crosses the finish line 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: Martin Truex, Jr., driver of the #78 Auto-Owners Insurance Toyota, celebrates with the checkered flag after winning 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)