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 | Big West | Conference USA | Division I-A Independents | Mid-American Conference | MWC | Pac-12 | SEC | WAC
| Place | Team | Rating | Strength of Schedule | +/- | 
|---|---|---|---|---|
| 1. Michigan (9 - 3) Schedule: 5.372 (9) | 7.165 7.165  | |||
| 2. Ohio State (8 - 4) Schedule: 5.607 (5) | 6.809 6.809  | |||
| 3. Wisconsin (9 - 4) Schedule: 5.648 (3) | 6.473 6.473  1 | |||
| 4. Purdue (8 - 4) Schedule: 5.39 (8) | 6.36 6.36  1 | |||
| 5. Northwestern (8 - 4) Schedule: 5.619 (4) | 6.253 6.253  2 | |||
| 6. Minnesota (6 - 6) Schedule: 4.897 (11) | 5.465 5.465  | |||
| 7. Illinois (5 - 6) Schedule: 5.246 (10) | 5.281 5.281  | |||
| 8. Michigan St (5 - 6) Schedule: 5.783 (2) | 5.124 5.124  | |||
| 9. Penn State (5 - 7) Schedule: 5.532 (6) | 4.583 4.583  | |||
| 10. Indiana (3 - 8) Schedule: 5.513 (7) | 4.504 4.504  | |||
| 11. Iowa (3 - 9) Schedule: 5.993 (1) | 4.337 4.337  |