2008 NCAA Division I FBS football rankings Harris Interactive Poll Harris Interactive Poll

| Week_6_Oct_5 | Week_7_Oct_12 | Week_9_Oct_26 | Week_10_Nov_2 | Week_11_Nov_9 | Week_13_Nov_23 | Week_14_Nov_30 | Week_15_Final_Dec_7 |
|---|---|---|---|---|---|---|---|
| Oklahoma (5-0) (106) | Texas (6-0) (72) | Texas (8-0) (103) | Alabama (9-0) (79) | Alabama (10-0) (75) | Alabama (11-0) (108) | Alabama (12-0) (107) | Florida (12-1) (77) |
| LSU (4-0) (2) | Alabama (6-0) (37) | Alabama (8-0) (6) | Penn State (9-0) (17) | Texas Tech (10-0) (38) | Florida (10-1) (3) | Florida (11-1) (4) | Oklahoma (12-1) (26) |
| Alabama (6-0) (6) | Penn State (7-0) (4) | Penn State (9-0) (5) | Texas Tech (9-0) (16) | Florida (8-1) (1) | Oklahoma (10-1) (2) | Texas (11-1) (1) | Texas (11-1) (9) |
| Missouri (5-0) | Oklahoma (5-1) | Oklahoma (7-1) | Florida (7-1) (1) | Texas (9-1) | Texas (10-1) | Oklahoma (11-1) | Alabama (12-1) |