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. Ohio State (3 - 0) Schedule: 5.15 (6) | 8.775 8.775  | |||
| 2. Michigan (4 - 0) Schedule: 5.378 (3) | 8.756 8.756  | |||
| 3. Wisconsin (4 - 0) Schedule: 5.329 (4) | 7.827 7.827  | |||
| 4. Nebraska (4 - 0) Schedule: 4.403 (8) | 7.087 7.087  | |||
| 5. Minnesota (3 - 0) Schedule: 4.699 (7) | 6.602 6.602  | |||
| 6. Iowa (3 - 1) Schedule: 4.282 (10) | 6.267 6.267  | |||
| 7. Penn State (2 - 2) Schedule: 5.804 (1) | 5.724 5.724  | |||
| 8. Indiana (2 - 1) Schedule: 4.329 (9) | 5.72 5.72  | |||
| 9. Michigan St (2 - 1) Schedule: 5.295 (5) | 5.266 5.266  | |||
| 10. Maryland (3 - 0) Schedule: 1.789 (14) | 4.906 4.906  | |||
| 11. Northwestern (1 - 3) Schedule: 5.531 (2) | 4.776 4.776  | |||
| 12. Purdue (2 - 1) Schedule: 3.447 (13) | 3.942 3.942  | |||
| 13. Rutgers (2 - 2) Schedule: 3.523 (12) | 3.297 3.297  | |||
| 14. Illinois (1 - 2) Schedule: 4.041 (11) | 2.583 2.583  |