Minnesota Vikings' quarterback Tarvaris Jackson (7) looks to pass against the Kansas City Chiefs during the first half of a NFL preseason  football game, Friday, Aug. 21, 2009 in Minneapolis. AP Photo logo AP Photo 30 months ago

Minnesota Vikings' quarterback Tarvaris Jackson (7) looks to pass against the Kansas City Chiefs during the first half of a NFL preseason football game, Friday, Aug. 21, 2009 in Minneapolis.