Week 7
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 (7 - 0) Schedule: 5.682 (1) | 7.58 7.58  | |||
| 2. Penn State (6 - 1) Schedule: 4.284 (10) | 7.032 7.032  1 | |||
| 3. Ohio State (5 - 2) Schedule: 5.077 (6) | 6.852 6.852  1 | |||
| 4. Michigan (5 - 2) Schedule: 4.521 (8) | 6.092 6.092  1 | |||
| 5. Wisconsin (5 - 2) Schedule: 5.546 (3) | 5.905 5.905  1 | |||
| 6. Michigan St (4 - 3) Schedule: 4.988 (7) | 5.801 5.801  | |||
| 7. Minnesota (4 - 3) Schedule: 5.36 (4) | 5.263 5.263  | |||
| 8. Purdue (2 - 5) Schedule: 5.611 (2) | 5.132 5.132  | |||
| 9. Indiana (4 - 3) Schedule: 4.441 (9) | 4.306 4.306  | |||
| 10. Northwestern (4 - 3) Schedule: 3.457 (11) | 3.954 3.954  | |||
| 11. Illinois (1 - 5) Schedule: 5.183 (5) | 3.206 3.206  |