Pure Michigan 400 – Practice

Pure Michigan 400 – Practice

BROOKLYN, MI – AUGUST 18: Mark Martin adjusts his safety belts while sitting in the #55 Aaron’s Dream Machine Toyota before the start of practice for the NASCAR Sprint Cup Series Pure Michigan 400 at Michigan International Speedway on August 18, 2012 in Brooklyn, Michigan. (Photo by Wesley Hitt/Getty Images for NASCAR)

Greg Engle