Week 9
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. Michigan (7 - 1) Schedule: 6.255 (3) | 8.895 8.895  | |||
| 2. Iowa (6 - 2) Schedule: 6.234 (4) | 8.418 8.418  | |||
| 3. Ohio State (7 - 1) Schedule: 5.625 (12) | 7.674 7.674  1 | |||
| 4. Penn State (6 - 2) Schedule: 6.021 (9) | 7.604 7.604  2 | |||
| 5. Purdue (4 - 4) Schedule: 6.328 (2) | 7.29 7.29  2 | |||
| 6. Wisconsin (5 - 3) Schedule: 5.808 (11) | 6.901 6.901  1 | |||
| 7. Michigan St (5 - 3) Schedule: 6.596 (1) | 6.867 6.867  1 | |||
| 8. Maryland (5 - 3) Schedule: 5.866 (10) | 6.585 6.585  1 | |||
| 9. Northwestern (5 - 3) Schedule: 6.225 (5) | 6.454 6.454  | |||
| 10. Minnesota (4 - 4) Schedule: 6.176 (6) | 5.848 5.848  | |||
| 11. Indiana (4 - 5) Schedule: 6.134 (7) | 5.692 5.692  | |||
| 12. Nebraska (2 - 6) Schedule: 6.133 (8) | 5.523 5.523  | |||
| 13. Illinois (3 - 5) Schedule: 5.515 (14) | 4.374 4.374  | |||
| 14. Rutgers (1 - 7) Schedule: 5.567 (13) | 3.277 3.277  |