As its first week as the nation's No. 1 team, Sam Houston State held serve, defeating Nicholls, 38-21 on Saturday. The nation's other unbeaten team, The Citadel, used overtime to topple Wofford, 24-21.
More than half of this week’s Top-25 come from three leagues, led by CAA Football’s FCS-best five ranked teams. The Big Sky Conference and the Missouri Valley Football Conference each has four ranked teams.
A total of 16 Division I teams are perfect, including five in the FCS. Chattanooga visits The Citadel in a battle of SoCon unbeatens; North Dakota State hosts South Dakota State; Harvard is at Holy Cross and Sam Houston State hosts Abilene Christian.