Mark Martin, driver of the #5 CARQUEST/Kellogg's Chevrolet, races Matt Kenseth, driver of the #17 DeWalt Ford, side by side during the NASCAR Sprint Cup Series Autism Speaks 400. (Photo by Jason Smith/Getty Images for NASCAR) hide

Mark Martin, driver of the #5 CARQUEST/Kellogg's Chevrolet, races Matt Kenseth, driver of the #17 DeWalt Ford, side by side duri... more