DARLINGTON, SC - SEPTEMBER 04: Landon Cassill, driver of the #38 Rumple Furniture/Bailey Excavating Ford, and Denny Hamlin, driver of the #11 Sport Clips Toyota, 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: Jimmie Johnson, driver of the #48 Lowe's 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: Jeff Gordon, driver of the #88 Nationwide 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: Kevin Harvick, driver of the #4 Busch Chevrolet, and Paul Menard, driver of the #27 Valvoline/Menards 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: The field races 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)

DARLINGTON, SC - SEPTEMBER 04: Landon Cassill, driver of the #38 Rumple Furniture/Bailey Excavating Ford, races AJ Allmendinger, driver of the #47 Kroger/Tyson 1977 Bruce Hill Throwback Chevrolet, 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)

DARLINGTON, SC - SEPTEMBER 04: Jeff Gordon, driver of the #88 Nationwide Chevrolet, pits 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)

DARLINGTON, SC - SEPTEMBER 04: Clint Bowyer, driver of the #15 5-hour Energy Chevrolet, 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)