Week 4
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. Penn State (4 - 0) Schedule: 6.137 (8) | 9.398 9.398  | |||
| 2. Wisconsin (3 - 1) Schedule: 6.342 (5) | 8.474 8.474  | |||
| 3. Ohio State (4 - 0) Schedule: 4.758 (13) | 8.025 8.025  | |||
| 4. Michigan (3 - 1) Schedule: 5.494 (12) | 7.931 7.931  | |||
| 5. Maryland (3 - 1) Schedule: 6.225 (7) | 7.519 7.519  | |||
| 6. Iowa (3 - 1) Schedule: 5.606 (11) | 7.478 7.478  | |||
| 7. Michigan St (2 - 1) Schedule: 6.382 (4) | 7.308 7.308  | |||
| 8. Indiana (3 - 1) Schedule: 5.92 (9) | 6.846 6.846  | |||
| 9. Purdue (1 - 3) Schedule: 6.882 (2) | 6.632 6.632  | |||
| 10. Illinois (2 - 2) Schedule: 6.758 (3) | 6.423 6.423  | |||
| 11. Minnesota (3 - 1) Schedule: 4.727 (14) | 5.971 5.971  | |||
| 12. Northwestern (1 - 2) Schedule: 7.047 (1) | 5.937 5.937  | |||
| 13. Nebraska (0 - 3) Schedule: 6.335 (6) | 4.236 4.236  | |||
| 14. Rutgers (1 - 3) Schedule: 5.688 (10) | 3.688 3.688  |