| 1970 |
|
| 1. Nebraska |
| 2. Notre Dame |
| 3. Texas |
| 4. Tennessee |
| 5. Ohio St |
| 6. Arizona St |
| 7. LSU |
| 8. Stanford |
| 9. Michigan |
| 10. Auburn |
| 11. Arkansas |
| 12. Toledo |
| 13. Georgia Tech |
| 14. Dartmouth |
| 15. USC |
| 16. Air Force |
| 17. Tulane |
| 18. Penn St |
| 19. Houston |
| 20. Oklahoma |
| Misssissippi |
|
| 1971 |
|
| 1. Nebraska |
| 2. Oklahoma |
| 3. Colorado |
| 4. Alabama |
| 5. Penn St |
| 6. Michigan |
| 7. Georgia |
| 8. Arizona St |
| 9. Tennessee |
| 10. Stanford |
| 11. LSU |
| 12. Auburn |
| 13. Notre Dame |
| 14. Toledo |
| 15. Mississippi |
| 16. Arkansas |
| 17. Houston |
| 18. Texas |
| 19. Washington |
| 20. USC |
|
|
| 1972 |
|
| |
| 1. USC |
| 2. Oklahoma |
| 3. Texas |
| 4. Nebraska |
| 5. Auburn |
| 6. Michigan |
| 7. Alabama |
| 8. Tennessee |
| 9. Ohio St |
| 10. Penn St |
| 11. LSU |
| 12. North Carolina |
| 13. Arizona St |
| 14. Notre Dame |
| 15. UCLA |
| 16. Colorado |
| 17. North Carolina St |
| 18. Louisville |
| 19. Washington St |
| 20. Georgia Tech |
|
| 1973 |
|
| 1. Notre Dame |
| 2. Ohio St |
| 3. Oklahoma |
| 4. Alabama |
| 5. Penn St |
| 6. Michigan |
| 7. Nebraska |
| 8. USC |
| 9. Arizona St |
| Houston |
| 11. Texas Tech |
| 12. UCLA |
| 13. LSU |
| 14. Texas |
| 15. Miami-OH |
| 16. North Carolina St |
| 17. Missouri |
| 18. Kansas |
| 19. Tennessee |
| 20. Maryland |
| Tulane
|
|
| 1974 |
|
| 1. Oklahoma |
| 2. USC |
| 3. Michigan |
| 4. Ohio St |
| 5. Alabama |
| 5. Notre Dame |
| 7. Penn St |
| 8. Auburn |
| 9. Nebraska |
| 10. Miami-OH |
| 11. North Carolina St |
| 12. Michigan St |
| 13. Maryland |
| 14. Baylor |
| 15. Florida |
| 16. Texas A&M |
| 17. Mississippi St |
| Texas |
| 19. Houston |
| 20. Tennessee |
|
|
