Mark Martin, driver of the #5 Pop-Tarts / CARQUEST Chevrolet, heads to the finish line after being involved in an incident on track during the NASCAR Sprint Cup Series AMP Energy 500. (Photo by Jerry Markland/Getty Images for NASCAR) hide

Mark Martin, driver of the #5 Pop-Tarts / CARQUEST Chevrolet, heads to the finish line after being involved in an incident on tr... more