BROOKLYN, MI - AUGUST 26: Kurt Busch, driver of the #41 Monster Energy/Haas Automation Chevrolet, walks to his car during practice for the NASCAR Sprint Cup Series Pure Michigan 400 at Michigan International Speedway on August 26, 2016 in Brooklyn, Michigan. (Photo by Sean Gardner/Getty Images)

BROOKLYN, MI - AUGUST 26: The car of Alex Bowman, driver of the #88 Axalta/University of Michigan Chevrolet, is pushed into the garage during practice for the NASCAR Sprint Cup Series Pure Michigan 400 at Michigan International Speedway on August 26, 2016 in Brooklyn, Michigan. (Photo by Rey Del Rio/Getty Images)

BROOKLYN, MI - AUGUST 26: Kevin Harvick, driver of the #4 Jimmy John's Chevrolet, waits in his car during practice for the NASCAR Sprint Cup Series Pure Michigan 400 at Michigan International Speedway on August 26, 2016 in Brooklyn, Michigan. (Photo by Sean Gardner/Getty Images)

BROOKLYN, MI - AUGUST 26: AJ Allmendinger, driver of the #47 Kroger/Scott Products Chevrolet, sits in his car during practice for the NASCAR Sprint Cup Series Pure Michigan 400 at Michigan International Speedway on August 26, 2016 in Brooklyn, Michigan. (Photo by Jerry Markland/Getty Images)

BROOKLYN, MI - AUGUST 26: Jamie McMurray, driver of the #1 Cessna Chevrolet, waits in the garage during practice for the NASCAR Sprint Cup Series Pure Michigan 400 at Michigan International Speedway on August 26, 2016 in Brooklyn, Michigan. (Photo by Jerry Markland/Getty Images)

BROOKLYN, MI - AUGUST 26: Jamie McMurray, driver of the #1 Cessna Chevrolet, waits in the garage during practice for the NASCAR Sprint Cup Series Pure Michigan 400 at Michigan International Speedway on August 26, 2016 in Brooklyn, Michigan. (Photo by Jerry Markland/Getty Images)

BROOKLYN, MI - AUGUST 26: Alex Bowman, driver of the #88 Axalta/University of Michigan Chevrolet, walks to his car during practice for the NASCAR Sprint Cup Series Pure Michigan 400 at Michigan International Speedway on August 26, 2016 in Brooklyn, Michigan. (Photo by Rey Del Rio/Getty Images)

BROOKLYN, MI - AUGUST 26: Alex Bowman, driver of the #88 Axalta/University of Michigan Chevrolet, walks to his car during practice for the NASCAR Sprint Cup Series Pure Michigan 400 at Michigan International Speedway on August 26, 2016 in Brooklyn, Michigan. (Photo by Rey Del Rio/Getty Images)