JOLIET, IL - SEPTEMBER 16: Kevin Harvick, driver of the #4 Jimmy John's Chevrolet, stands in the garage area during practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 16, 2016 in Joliet, Illinois. (Photo by Robert Laberge/Getty Images)

JOLIET, IL - SEPTEMBER 16: Greg Biffle, driver of the #16 Performance Plus Motor Oil Ford, sits in his car during practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 16, 2016 in Joliet, Illinois. (Photo by Jonathan Daniel/Getty Images)

JOLIET, IL - SEPTEMBER 16: Ryan Newman, driver of the #31 Caterpillar Chevrolet, sits in his car during practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 16, 2016 in Joliet, Illinois. (Photo by Jonathan Daniel/Getty Images)

JOLIET, IL - SEPTEMBER 16: Chase Elliott, driver of the #24 NAPA Auto Parts Chevrolet, stands in the garage area during practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 16, 2016 in Joliet, Illinois. (Photo by Sean Gardner/Getty Images)

JOLIET, IL - SEPTEMBER 16: Austin Dillon, driver of the #3 Dow - Packaging Chevrolet, stands in the garage area during practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 16, 2016 in Joliet, Illinois. (Photo by Sean Gardner/Getty Images)

JOLIET, IL - SEPTEMBER 16: Austin Dillon, driver of the #3 Dow - Packaging Chevrolet, sits in his car during practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 16, 2016 in Joliet, Illinois. (Photo by Sean Gardner/Getty Images)

JOLIET, IL - SEPTEMBER 16: Austin Dillon, driver of the #3 Dow - Packaging Chevrolet, stands in the garage area during practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 16, 2016 in Joliet, Illinois. (Photo by Sean Gardner/Getty Images)

JOLIET, IL - SEPTEMBER 16: Austin Dillon, driver of the #3 Dow - Packaging Chevrolet, sits in his car during practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 16, 2016 in Joliet, Illinois. (Photo by Sean Gardner/Getty Images)