JOLIET, IL – SEPTEMBER 17: Jeff Burton, driver of the #31 Caterpillar Chevrolet, walks on the grid during qualifying for the NASCAR Sprint Cup Series GEICO 400 at Chicagoland Speedway on September 17, 2011 in Joliet, Illinois. (Photo by Rainier Ehrhardt/Getty Images for NASCAR)
Jeff Burton, Driver Of The #31 Caterpillar Chevrolet, Walks Getty Images for NASCAR
