Aug. 10, 2010 Vikings' Harvin suffering from migraines, Childress says CBSSports.com staff Print Facebook Twitter RSS MANKATO, Minn. -- Minnesota Vikings coach Brad Childress confirmed that WR Percy Harvin is suffering from migraine headaches. Harvin has missed the past eight days of practice and there is no update on when he will return. Vikings RapidReports, Dana Wessel Print Facebook Twitter