Week 13
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 (13 - 0) Schedule: 5.479 (8) | 7.953 7.953  | |||
| 2. Iowa (11 - 1) Schedule: 5.254 (10) | 7.925 7.925  | |||
| 3. Penn State (9 - 3) Schedule: 5.612 (3) | 7.533 7.533  | |||
| 4. Michigan (9 - 3) Schedule: 6.216 (1) | 7.183 7.183  | |||
| 5. Wisconsin (7 - 6) Schedule: 5.816 (2) | 6.247 6.247  | |||
| 6. Purdue (6 - 6) Schedule: 5.427 (9) | 6.173 6.173  | |||
| 7. Minnesota (7 - 5) Schedule: 5.133 (11) | 5.662 5.662  | |||
| 8. Illinois (5 - 7) Schedule: 5.513 (7) | 5.365 5.365  | |||
| 9. Michigan St (4 - 8) Schedule: 5.601 (4) | 4.604 4.604  | |||
| 10. Northwestern (3 - 9) Schedule: 5.578 (6) | 3.665 3.665  | |||
| 11. Indiana (3 - 9) Schedule: 5.584 (5) | 3.418 3.418  |