(Portland, OR)  -- The 7-and-1 Vikings hit the road to face the Northern Colorado Bears at Nottingham Field Sunday.  Portland State has won four-in-a-row and sits one game back of first place in the Big Sky.  The two teams last played during the 2012 season when the Vikings lost a close one, 32-28, at home.  Kickoff is slated for 1:00 p.m.