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 (13 - 1) Schedule: 6.113 (9) | 8.216 8.216  1 | |||
| 2. Michigan (10 - 3) Schedule: 6.236 (4) | 8.1 8.1  1 | |||
| 3. Iowa (9 - 4) Schedule: 6.084 (11) | 7.734 7.734  | |||
| 4. Penn State (9 - 4) Schedule: 6.174 (7) | 7.496 7.496  | |||
| 5. Northwestern (9 - 5) Schedule: 6.378 (2) | 6.641 6.641  2 | |||
| 6. Wisconsin (8 - 5) Schedule: 5.853 (13) | 6.632 6.632  2 | |||
| 7. Purdue (6 - 7) Schedule: 6.46 (1) | 6.543 6.543  2 | |||
| 8. Minnesota (7 - 6) Schedule: 6.085 (10) | 6.375 6.375  1 | |||
| 9. Michigan St (7 - 6) Schedule: 6.217 (5) | 6.323 6.323  3 | |||
| 10. Nebraska (4 - 8) Schedule: 6.165 (8) | 5.895 5.895  | |||
| 11. Maryland (5 - 7) Schedule: 6.191 (6) | 5.84 5.84  | |||
| 12. Indiana (5 - 7) Schedule: 6.268 (3) | 5.73 5.73  | |||
| 13. Illinois (4 - 8) Schedule: 5.649 (14) | 4.476 4.476  | |||
| 14. Rutgers (1 - 11) Schedule: 6.048 (12) | 3.652 3.652  |