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. Nebraska (4 - 0) Schedule: 4.279 (7) | 6.841 6.841  | |||
| 2. Indiana (2 - 1) Schedule: 5.32 (1) | 6.549 6.549  | |||
| 3. Maryland (3 - 1) Schedule: 4.733 (2) | 6.441 6.441  | |||
| 4. Wisconsin (2 - 1) Schedule: 4.083 (9) | 6.226 6.226  | |||
| 5. Penn State (4 - 0) Schedule: 3.711 (13) | 6.121 6.121  | |||
| 6. Michigan St (2 - 1) Schedule: 3.924 (12) | 5.562 5.562  | |||
| 7. Minnesota (3 - 1) Schedule: 4.057 (10) | 5.096 5.096  | |||
| 8. Iowa (3 - 1) Schedule: 4.37 (4) | 4.836 4.836  | |||
| 9. Rutgers (3 - 1) Schedule: 4 (11) | 4.77 4.77  | |||
| 10. Ohio State (2 - 1) Schedule: 3.304 (14) | 4.63 4.63  | |||
| 11. Michigan (2 - 2) Schedule: 4.543 (3) | 4.616 4.616  | |||
| 12. Illinois (3 - 1) Schedule: 4.364 (5) | 4.378 4.378  | |||
| 13. Northwestern (1 - 2) Schedule: 4.181 (8) | 4.077 4.077  | |||
| 14. Purdue (2 - 2) Schedule: 4.289 (6) | 3.765 3.765  |