Vikings will provide test for 49ers' CBs and offensive line

Daily 49ers blog for NBC Bay Area website: The 49ers open the 2015 season Monday night against Minnesota, and the Vikings pass rushers and deep-threat receivers will be an immediate test for two shaky groups. http://www.nbcbayarea.com/news/sports/Niners-Cornerbacks-Offensive-Line-Will-be-Tested-in-Opener-326670811.html