Week 5
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 (6 - 0) Schedule: 5.371 (8) | 8.325 8.325  | |||
| 2. Michigan (4 - 1) Schedule: 6.25 (1) | 7.677 7.677  | |||
| 3. Penn State (4 - 1) Schedule: 5.886 (3) | 7.499 7.499  1 | |||
| 4. Wisconsin (5 - 1) Schedule: 5.368 (9) | 7.1 7.1  1 | |||
| 5. Iowa (5 - 1) Schedule: 5.483 (7) | 7.068 7.068  | |||
| 6. Minnesota (5 - 1) Schedule: 3.979 (11) | 6.361 6.361  | |||
| 7. Purdue (3 - 3) Schedule: 5.721 (5) | 6.297 6.297  | |||
| 8. Michigan St (3 - 2) Schedule: 5.324 (10) | 6.066 6.066  | |||
| 9. Indiana (2 - 3) Schedule: 5.735 (4) | 4.447 4.447  1 | |||
| 10. Northwestern (2 - 4) Schedule: 6.014 (2) | 4.398 4.398  1 | |||
| 11. Illinois (1 - 5) Schedule: 5.49 (6) | 4.348 4.348  2 |