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 | Big 10 | Big 12 | Big East | Conference USA | Division I-A Independents | Mid-American Conference | MWC | Pac-12 | SEC | Sun Belt Conference | WAC
| Place | Team | Rating | Strength of Schedule | +/- | 
|---|---|---|---|---|
| 1. Michigan (6 - 2) Schedule: 6.494 (3) | 8.487 8.487  | |||
| 2. Illinois (7 - 1) Schedule: 6.161 (7) | 8.2 8.2  | |||
| 3. Michigan St (5 - 2) Schedule: 6.099 (8) | 6.938 6.938  2 | |||
| 4. Iowa (4 - 4) Schedule: 6.236 (5) | 6.923 6.923  | |||
| 5. Ohio State (5 - 3) Schedule: 5.68 (10) | 6.681 6.681  1 | |||
| 6. Purdue (5 - 2) Schedule: 6.234 (6) | 6.421 6.421  3 | |||
| 7. Wisconsin (5 - 5) Schedule: 6.479 (4) | 6.413 6.413  1 | |||
| 8. Indiana (2 - 5) Schedule: 6.793 (2) | 6.05 6.05  3 | |||
| 9. Penn State (3 - 4) Schedule: 6.921 (1) | 5.754 5.754  1 | |||
| 10. Northwestern (4 - 4) Schedule: 5.696 (9) | 5.634 5.634  3 | |||
| 11. Minnesota (3 - 5) Schedule: 5.622 (11) | 5.544 5.544  2 |