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 (12 - 1) Schedule: 5.422 (12) | 8.193 8.193  | |||
| 2. Michigan (10 - 3) Schedule: 5.567 (8) | 7.508 7.508  2 | |||
| 3. Michigan St (12 - 2) Schedule: 5.938 (2) | 7.36 7.36  1 | |||
| 4. Iowa (12 - 2) Schedule: 5.427 (11) | 6.986 6.986  1 | |||
| 5. Wisconsin (10 - 3) Schedule: 5.127 (14) | 6.66 6.66  | |||
| 6. Northwestern (10 - 3) Schedule: 5.656 (4) | 6.268 6.268  | |||
| 7. Nebraska (6 - 7) Schedule: 5.493 (9) | 5.923 5.923  1 | |||
| 8. Penn State (7 - 6) Schedule: 5.625 (5) | 5.85 5.85  1 | |||
| 9. Indiana (6 - 7) Schedule: 5.459 (10) | 5.233 5.233  | |||
| 10. Minnesota (6 - 7) Schedule: 5.611 (6) | 5.19 5.19  1 | |||
| 11. Illinois (5 - 7) Schedule: 5.583 (7) | 5.097 5.097  1 | |||
| 12. Maryland (3 - 9) Schedule: 6.162 (1) | 4.667 4.667  | |||
| 13. Rutgers (4 - 8) Schedule: 5.285 (13) | 4.153 4.153  | |||
| 14. Purdue (2 - 10) Schedule: 5.733 (3) | 3.944 3.944  |