JOLIET, IL - SEPTEMBER 18: Denny Hamlin, driver of the #11 FedEx Express Toyota, and Brad Keselowski, driver of the #2 Miller Lite Ford, lead a pack of cars during the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 18, 2016 in Joliet, Illinois. (Photo by Robert Laberge/Getty Images)

JOLIET, IL - SEPTEMBER 18: Kevin Harvick, driver of the #4 Jimmy John's Chevrolet, follows a pack of cars during the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 18, 2016 in Joliet, Illinois. (Photo by Robert Laberge/Getty Images)

JOLIET, IL - SEPTEMBER 18: Kyle Busch, driver of the #18 Skittles Toyota, leads a pack of cars during the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 18, 2016 in Joliet, Illinois. (Photo by Robert Laberge/Getty Images)

JOLIET, IL - SEPTEMBER 18: Kyle Busch, driver of the #18 Skittles Toyota, leads a pack of cars during the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 18, 2016 in Joliet, Illinois. (Photo by Robert Laberge/Getty Images)

JOLIET, IL - SEPTEMBER 18: Kyle Larson, driver of the #42 Coke Chevrolet, leads a pack of cars during the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 18, 2016 in Joliet, Illinois. (Photo by Sean Gardner/Getty Images)

JOLIET, IL - SEPTEMBER 18: Denny Hamlin, driver of the #11 FedEx Express Toyota, leads a pack of cars during the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 18, 2016 in Joliet, Illinois. (Photo by Robert Laberge/Getty Images)

JOLIET, IL - SEPTEMBER 18: Kyle Busch, driver of the #18 Skittles Toyota, leads a pack of cars during the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 18, 2016 in Joliet, Illinois. (Photo by Sean Gardner/Getty Images)

JOLIET, IL - SEPTEMBER 18: Chase Elliott, driver of the #24 NAPA Auto Parts Chevrolet, leads a pack of cars during the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 18, 2016 in Joliet, Illinois. (Photo by Robert Laberge/Getty Images)