Week 5
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 (5 - 0) Schedule: 4.51 (4) | 8.325 8.325  | |||
| 2. Illinois (4 - 1) Schedule: 4.697 (3) | 6.722 6.722  | |||
| 3. Michigan St (4 - 1) Schedule: 4.208 (7) | 5.988 5.988  2 | |||
| 4. Wisconsin (5 - 0) Schedule: 4.321 (6) | 5.961 5.961  1 | |||
| 5. Purdue (5 - 0) Schedule: 2.743 (11) | 5.864 5.864  1 | |||
| 6. Indiana (4 - 1) Schedule: 3.844 (8) | 5.541 5.541  | |||
| 7. Penn State (3 - 2) Schedule: 3.614 (10) | 5.211 5.211  1 | |||
| 8. Michigan (3 - 2) Schedule: 4.744 (2) | 5.126 5.126  1 | |||
| 9. Iowa (2 - 3) Schedule: 3.766 (9) | 4.232 4.232  2 | |||
| 10. Northwestern (2 - 3) Schedule: 4.462 (5) | 3.801 3.801  | |||
| 11. Minnesota (1 - 4) Schedule: 5.3 (1) | 3.697 3.697  |