Defensive efficiency: opponent points per possession (Opp. PPP--more about this stat)
Thru December 4
1. Iowa (0.77)
2. Ohio State (0.86)
3. Illinois (0.89)
4. Michigan (0.90)
5. Minnesota (0.90)
6. Indiana (0.93)
7. Penn State (0.94)
8. Wisconsin (0.97)
9. Northwestern (0.97)
10. Purdue (1.07)
11. Michigan State (1.07)