Week 15
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. Ohio State (11 - 2) Schedule: 6.098 (1) | 8.051 8.051  | |||
| 2. Michigan (10 - 3) Schedule: 5.818 (4) | 8.002 8.002  | |||
| 3. Wisconsin (11 - 3) Schedule: 5.897 (3) | 7.622 7.622  1 | |||
| 4. Penn State (11 - 3) Schedule: 5.905 (2) | 7.574 7.574  1 | |||
| 5. Iowa (8 - 5) Schedule: 5.718 (6) | 6.473 6.473  | |||
| 6. Minnesota (9 - 4) Schedule: 5.343 (12) | 6.418 6.418  1 | |||
| 7. Nebraska (9 - 4) Schedule: 5.495 (10) | 6.333 6.333  1 | |||
| 8. Northwestern (7 - 6) Schedule: 5.699 (7) | 6.003 6.003  | |||
| 9. Indiana (6 - 7) Schedule: 5.409 (11) | 5.123 5.123  | |||
| 10. Michigan St (3 - 9) Schedule: 5.778 (5) | 4.788 4.788  1 | |||
| 11. Maryland (6 - 7) Schedule: 5.029 (14) | 4.781 4.781  1 | |||
| 12. Illinois (3 - 9) Schedule: 5.636 (8) | 3.792 3.792  | |||
| 13. Rutgers (2 - 10) Schedule: 5.618 (9) | 3.488 3.488  | |||
| 14. Purdue (3 - 9) Schedule: 5.152 (13) | 3.433 3.433  |