Top three teams in the Power Poll remain unchanged with North Dakota State leading the way. There’s a battle near the bottom of the Athlon Sports FCS Top 25 Power Poll as much as at the top. The worthy candidates are so strong after a terrific Week 4 of matchups that Furman, last week’s “Team of the Week,” dropped outside the rankings despite posting a win, and Stephen F. Austin couldn’t land a spot even after nearly hitting 100 points in a game (98-0 over Warner). The top three teams – North Dakota State, South Dakota State and Montana –…