By: Melissa S. Wollering NASCAR drivers will use the spoiler in competition for the first time at Martinsville Speedway this Sunday since the new car’s debut in 2007. Martinsville doesn’t present any major handling issues, so the first real test probably won’t come until Texas later next month. But Martinsville is a paper-clip shaped short track and is one of Jimmie … [Read more...] about Martinsville Tests NASCAR Changes & Jimmie Johnson Fatigue