JOLIET, IL - SEPTEMBER 18: Brad Keselowski, driver of the #2 Miller Lite Ford, and Kyle Busch, driver of the #18 Skittles Toyota, lead the field to the green flag to start the NASCAR Sprint Cup Series Teenage Mutant Ninja Turtles 400 at Chicagoland Speedway on September 18, 2016 in Joliet, Illinois. (Photo by Jonathan Daniel/Getty Images)