Turnover percentage TOs/team possessions Thru January 1 1. Wisconsin (17.9) 2. Northwestern (19.4) 3. Illinois (20.2) 4. Ohio State (20.5) 5. Penn State (20.7) 6. Michigan State (21.3) 7. Michigan (21.8) 8. Iowa (22.3) 9. Indiana (22.4) 10. Minnesota (22.5) 11. Purdue (28.3) Opponent turnover percentage Thru January 1 1. Minnesota (26.2) 2. Northwestern (25.3)3. Iowa (24.6) 4. Illinois (23.9) 5. Purdue (22.6) 6. Indiana (21.9) 7. Wisconsin (21.8) 8. Ohio State (21.8) 9. Penn State (21.8) 10. Michigan (21.1) 11. Michigan State (20.2)