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 | 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. Michigan (4 - 1) Schedule: 6.147 (1) | 9.019 9.019  | |||
| 2. Northwestern (5 - 0) Schedule: 5.563 (8) | 8.172 8.172  3 | |||
| 3. Iowa (5 - 0) Schedule: 5.61 (6) | 7.941 7.941  1 | |||
| 4. Ohio State (5 - 0) Schedule: 5.25 (11) | 7.923 7.923  2 | |||
| 5. Michigan St (5 - 0) Schedule: 5.212 (12) | 7.134 7.134  1 | |||
| 6. Wisconsin (3 - 2) Schedule: 5.604 (7) | 6.998 6.998  3 | |||
| 7. Indiana (4 - 1) Schedule: 5.668 (5) | 6.438 6.438  | |||
| 8. Illinois (4 - 1) Schedule: 5.286 (10) | 6.378 6.378  1 | |||
| 9. Penn State (4 - 1) Schedule: 4.785 (13) | 6.117 6.117  1 | |||
| 10. Nebraska (2 - 3) Schedule: 5.519 (9) | 5.95 5.95  2 | |||
| 11. Minnesota (3 - 2) Schedule: 5.681 (4) | 5.195 5.195  | |||
| 12. Purdue (1 - 4) Schedule: 5.825 (3) | 5.062 5.062  1 | |||
| 13. Maryland (2 - 3) Schedule: 5.894 (2) | 4.988 4.988  1 | |||
| 14. Rutgers (2 - 2) Schedule: 3.426 (14) | 3.711 3.711  |