Week 15
2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2021 | 2022 | 2023 | 2024 | 2025
All | ACC | American Athletic Conference | Big 10 | Big 12 | Conference USA | Division I-A Independents | Mid-American Conference | MWC | Pac-12 | SEC | Sun Belt Conference
| Place | Team | Rating | Strength of Schedule | +/- | 
|---|---|---|---|---|
| 1. Ohio State (13 - 0) Schedule: 5.808 (4) | 9.441 9.441  | |||
| 2. Wisconsin (10 - 3) Schedule: 6.018 (1) | 7.849 7.849  | |||
| 3. Penn State (10 - 2) Schedule: 5.554 (6) | 7.704 7.704  | |||
| 4. Michigan (9 - 3) Schedule: 5.9 (2) | 7.531 7.531  | |||
| 5. Iowa (9 - 3) Schedule: 5.551 (7) | 6.983 6.983  | |||
| 6. Minnesota (10 - 2) Schedule: 5.246 (12) | 6.809 6.809  | |||
| 7. Michigan St (6 - 6) Schedule: 5.852 (3) | 5.825 5.825  | |||
| 8. Indiana (8 - 4) Schedule: 4.849 (14) | 5.682 5.682  | |||
| 9. Nebraska (5 - 7) Schedule: 5.501 (9) | 5.257 5.257  | |||
| 10. Illinois (6 - 6) Schedule: 4.859 (13) | 4.92 4.92  | |||
| 11. Purdue (4 - 8) Schedule: 5.548 (8) | 4.676 4.676  | |||
| 12. Northwestern (3 - 9) Schedule: 5.447 (10) | 4.222 4.222  | |||
| 13. Maryland (3 - 9) Schedule: 5.374 (11) | 4.122 4.122  | |||
| 14. Rutgers (2 - 10) Schedule: 5.658 (5) | 2.851 2.851  |