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 | 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. Ohio State (10 - 2) Schedule: 6.907 (2) | 9.163 9.163  | |||
| 2. Penn State (11 - 1) Schedule: 6.522 (7) | 8.76 8.76  | |||
| 3. Michigan (7 - 5) Schedule: 6.968 (1) | 7.79 7.79  | |||
| 4. Iowa (7 - 5) Schedule: 6.482 (8) | 7.417 7.417  | |||
| 5. Wisconsin (10 - 3) Schedule: 6.123 (11) | 7.35 7.35  1 | |||
| 6. Minnesota (7 - 5) Schedule: 6.55 (5) | 7.313 7.313  1 | |||
| 7. Northwestern (7 - 5) Schedule: 6.798 (3) | 6.868 6.868  | |||
| 8. Michigan St (5 - 6) Schedule: 6.432 (9) | 6.73 6.73  | |||
| 9. Purdue (5 - 6) Schedule: 6.532 (6) | 6.597 6.597  | |||
| 10. Indiana (4 - 7) Schedule: 6.309 (10) | 4.943 4.943  | |||
| 11. Illinois (2 - 9) Schedule: 6.675 (4) | 4.148 4.148  |