Penn State will field another new defense this year, when coordinator D'Anton Lynn takes over for Jim Knowles, whose only season with the Nittany Lions didn't go well. Penn State ranked 43rd nationally in defensive efficiency, according to the ESPN College Football Power Index , but Lynn largely has a blank slate.

The Nittany Lions brought in a significant number of defensive transfers, notably on the line, though one position group remained notably intact. What are Penn State's top defensive position groups? After power-ranking the offense , here's a look at the Nittany Lions' defense.

4. Defensive line

Penn State Nittany Lions defensive end Yvan Kemajou (99) pressures Nebraska Cornhuskers quarterback TJ Lateef (14) during the fourth quarter at Beaver Stadium. | Matthew O'Haren-Imagn Images

Penn State’s defensive line might be the shallowest position on the team.…