Week 8
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. Iowa (8 - 0) Schedule: 5.727 (1) | 7.547 7.547  | |||
| 2. Penn State (7 - 1) Schedule: 4.508 (9) | 7.45 7.45  | |||
| 3. Ohio State (6 - 2) Schedule: 4.9 (7) | 6.92 6.92  | |||
| 4. Michigan St (4 - 4) Schedule: 5.193 (4) | 5.746 5.746  2 | |||
| 5. Wisconsin (5 - 2) Schedule: 5.38 (3) | 5.742 5.742  | |||
| 6. Michigan (5 - 3) Schedule: 4.787 (8) | 5.631 5.631  2 | |||
| 7. Minnesota (4 - 4) Schedule: 5.578 (2) | 5.028 5.028  | |||
| 8. Purdue (3 - 5) Schedule: 5.175 (5) | 4.979 4.979  | |||
| 9. Indiana (4 - 4) Schedule: 4.208 (10) | 3.999 3.999  | |||
| 10. Northwestern (5 - 3) Schedule: 3.433 (11) | 3.96 3.96  | |||
| 11. Illinois (1 - 6) Schedule: 5.161 (6) | 3.215 3.215  |