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. Ohio State (9 - 0) Schedule: 4.445 (8) | 7.898 7.898  | |||
| 2. Michigan (7 - 2) Schedule: 4.932 (2) | 6.37 6.37  1 | |||
| 3. Penn State (6 - 3) Schedule: 4.827 (4) | 6.265 6.265  1 | |||
| 4. Purdue (7 - 2) Schedule: 4.31 (9) | 5.955 5.955  2 | |||
| 5. Illinois (6 - 3) Schedule: 4.883 (3) | 5.934 5.934  | |||
| 6. Wisconsin (7 - 2) Schedule: 4.27 (10) | 5.497 5.497  1 | |||
| 7. Michigan St (5 - 4) Schedule: 4.51 (7) | 5.474 5.474  3 | |||
| 8. Northwestern (5 - 4) Schedule: 4.533 (5) | 4.328 4.328  1 | |||
| 9. Indiana (5 - 4) Schedule: 3.938 (11) | 4.286 4.286  1 | |||
| 10. Iowa (4 - 5) Schedule: 4.529 (6) | 4.19 4.19  | |||
| 11. Minnesota (1 - 8) Schedule: 4.934 (1) | 3.049 3.049  |