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: 6.12 (2) | 9.829 9.829  1 | |||
| 2. Michigan (5 - 0) Schedule: 6.099 (3) | 9.401 9.401  1 | |||
| 3. Iowa (4 - 1) Schedule: 6.083 (4) | 7.55 7.55  | |||
| 4. Penn State (3 - 2) Schedule: 6.191 (1) | 6.814 6.814  | |||
| 5. Wisconsin (4 - 1) Schedule: 4.118 (10) | 6.637 6.637  1 | |||
| 6. Minnesota (2 - 3) Schedule: 6.021 (5) | 6.133 6.133  1 | |||
| 7. Michigan St (3 - 2) Schedule: 4.655 (7) | 5.794 5.794  2 | |||
| 8. Purdue (4 - 1) Schedule: 3.884 (11) | 4.706 4.706  1 | |||
| 9. Illinois (2 - 3) Schedule: 5.5 (6) | 4.574 4.574  1 | |||
| 10. Indiana (2 - 3) Schedule: 4.609 (8) | 3.874 3.874  2 | |||
| 11. Northwestern (2 - 3) Schedule: 4.245 (9) | 3.76 3.76  |