Chicagoland Speedway – Day 1
JOLIET, IL – SEPTEMBER 18: Dale Earnhardt Jr, driver of the #88 DIET MOUNTAIN DEW Chevrolet, drives during practice for the NASCAR Sprint Cup Series myAFibRisk.com 400 at Chicagoland Speedway on September 18, 2015 in Joliet, Illinois. (Photo by Josh Hedges/Getty Images)