Week 6
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. Purdue (5 - 0) Schedule: 4.981 (7) | 8.008 8.008  | |||
| 2. Minnesota (5 - 1) Schedule: 5.252 (6) | 7.618 7.618  | |||
| 3. Wisconsin (6 - 0) Schedule: 4.559 (11) | 7.353 7.353  2 | |||
| 4. Michigan (5 - 1) Schedule: 5.689 (4) | 7.302 7.302  | |||
| 5. Iowa (3 - 2) Schedule: 5.79 (3) | 6.295 6.295  2 | |||
| 6. Ohio State (3 - 2) Schedule: 5.621 (5) | 6.23 6.23  3 | |||
| 7. Northwestern (3 - 3) Schedule: 6.403 (1) | 5.729 5.729  1 | |||
| 8. Penn State (2 - 4) Schedule: 5.8 (2) | 5.437 5.437  | |||
| 9. Michigan St (3 - 3) Schedule: 4.59 (10) | 4.829 4.829  | |||
| 10. Indiana (2 - 4) Schedule: 4.769 (9) | 4.069 4.069  1 | |||
| 11. Illinois (2 - 4) Schedule: 4.953 (8) | 4.011 4.011  1 |