Tony Stewart (R) driver of the #14 Old Spice/Office Depot Chevrolet, speaks with crew chief Darian Gubb (L) during practice for the NASCAR Sprint Cup Series Michigan 400. (Photo by Jason Smith/Getty Images) hide

Tony Stewart (R) driver of the #14 Old Spice/Office Depot Chevrolet, speaks with crew chief Darian Gubb (L) during practice for ... more