JOLIET, IL - SEPTEMBER 17: Kevin Harvick, driver of the #4 Jimmy John's Chevrolet, sits in the garage with his son Keelan prior to practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 17, 2016 in Joliet, Illinois. (Photo by Sean Gardner/Getty Images)

JOLIET, IL - SEPTEMBER 17: Kevin Harvick, driver of the #4 Jimmy John's Chevrolet, sits in the garage with his son Keelan prior to practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 17, 2016 in Joliet, Illinois. (Photo by Sean Gardner/Getty Images)

JOLIET, IL - SEPTEMBER 17: Kevin Harvick, driver of the #4 Jimmy John's Chevrolet, sits in the garage with his son Keelan prior to practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 17, 2016 in Joliet, Illinois. (Photo by Sean Gardner/Getty Images)

JOLIET, IL - SEPTEMBER 17: Alex Bowman, driver of the #88 Axalta Chevrolet, sits in his car during practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 17, 2016 in Joliet, Illinois. (Photo by Jonathan Daniel/Getty Images)

JOLIET, IL - SEPTEMBER 17: Jamie McMurray, driver of the #1 McDonald's Chevrolet, prepares to practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 17, 2016 in Joliet, Illinois. (Photo by Jonathan Daniel/Getty Images)

JOLIET, IL - SEPTEMBER 17: Jamie McMurray, driver of the #1 McDonald's Chevrolet, prepares to practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 17, 2016 in Joliet, Illinois. (Photo by Jonathan Daniel/Getty Images)

JOLIET, IL - SEPTEMBER 17: Matt Kenseth, driver of the #20 DeWalt Flexvolt Toyota, stands in the garage area with crew member during practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 17, 2016 in Joliet, Illinois. (Photo by Robert Laberge/Getty Images)

JOLIET, IL - SEPTEMBER 17: Denny Hamlin, driver of the #11 FedEx Express Toyota, climbs into his car during practice for the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 17, 2016 in Joliet, Illinois. (Photo by Sean Gardner/Getty Images)