NASCAR

FILE - In this June 16, 2013, file photo, driver Greg Biffle leads the field through the first turn during the NASCAR Quicken Loans 400 auto race at Michigan International Speedway in Brooklyn, Mich. It was a day of celebration for Ford, the Michigan-based company, but there are still a few concerns despite Biffle's victory. Roush Fenway Racing teammate Carl Edwards didn't sound pleased about a lack of help from Biffle during the race, and Ford's Brad Keselowski, the defending Sprint Cup champion, is still without a victory this year after finishing out of the top 10 on Sunday. (AP Photo/Bob Brodbeck File)