Defensive efficiency: opponent points per possession (Opp. PPP--more about this stat) Thru December 11 1. Iowa (0.81)
2. Michigan (0.86)
3. Illinois (0.88)
4. Indiana (0.91)
5. Ohio State (0.91)
6. Minnesota (0.93)
7. Wisconsin (0.95)
8. Northwestern (0.97)
9. Penn State (1.00)
10. Purdue (1.06)
11. Michigan State (1.07)