| WEEK 1 | WEEK 2 | WEEK 3 | WEEK 4 | WEEK 5 | WEEK 6 | WEEK 7 | WEEK 8 | WEEK 9 | WEEK 10 | WEEK 11 | WEEK 12 | WEEK 13 | WEEK 14 | WEEK 15 | |
| 1 | California (14) | California (19) | California (24) | Arizona (17) | Arizona (23) | Arizona (25) | Michigan (15) | Michigan (22) | Michigan (21) | Michigan (20) | Michigan (22) | Michigan (20) | Michigan (22) | Michigan (22) | Michigan (25) |
| 2 | UCLA (12) | Arizona (6) | Arizona (4) | California (8) | California (1) | California (1) | Arizona (9) | Arizona (1) | Arizona (3) | Arizona (4) | California (1) | Arizona (4) | California (1) | California (1) | UCLA |
| 3 | Arizona (4) | UCLA (1) | UCLA | Stanford | Stanford | Stanford | California (1) | California (1) | California (1) | California (1) | Texas | California (1) | Arizona | Arizona | Tennessee |
| 4 | Oklahoma | Stanford | Stanford | UCLA | Tennessee | UCLA | Tennessee | Tennessee | Tennessee | Texas | Arizona | Stanford | Stanford | Stanford | Arizona |
| 5 | LSU | Louisiana-Lafayette | Tennessee | Tennessee | UCLA | Michigan | Stanford | Texas | Texas | Oklahoma | Oklahoma | Texas A&M | Texas A&M | Texas A&M | Texas |
| 6 | Stanford | Alabama | Louisiana-Lafayette | Louisiana-Lafayette | Michigan | Tennessee | Texas | Stanford | Oklahoma | Tennessee | Texas A&M | Texas | Texas | Oregon State | California |
| 7 | Georgia | Tennessee | Alabama | (tie-7) Michigan | Louisiana-Lafayette | Louisiana-Lafayette | Oklahoma | UCLA | Texas A&M | Texas A&M | Stanford | Alabama | Oregon State | Texas | Alabama |
| 8 | Michigan | Michigan | Michigan | (tie-7) Alabama | Alabama | Oklahoma | UCLA | Oklahoma | Stanford | Stanford | Alabama | Oregon State | Georgia | Georgia | DePaul |
| 9 | Louisiana-Lafayette | LSU | Texas | Texas | Oklahoma | Alabama | Baylor | Texas A&M | Baylor | Alabama | Tennessee | Baylor | Alabama | Alabama | Georgia |
| 10 | Florida State | Texas | LSU | Baylor | Baylor | Baylor | Alabama | Baylor | Alabama | Oregon State | UCLA | Oklahoma | Tennessee | Oklahoma | Stanford |
| 11 | Washington | Baylor | Baylor | Oklahoma | Texas | Texas | Louisiana-Lafayette | Alabama | Georgia | Baylor | Oregon State | Tennessee | (tie-11) Oklahoma | Tennessee | Texas A&M |
| 12 | Alabama | Washington | Washington | LSU | LSU | Texas A&M | Texas A&M | Georgia | UCLA | Georgia | Baylor | Georgia | (tie-11) Baylor | UCLA | Baylor |
| 13 | Oregon | Georgia | Oklahoma | Georgia | Georgia | Georgia | Georgia | Louisiana-Lafayette | Oregon State | UCLA | Georgia | UCLA | Louisiana-Lafayette | Baylor | Oklahoma |
| 14 | Tennessee | Oklahoma | Florida | Washington | Texas A&M | Washington | Missouri | Florida | Louisiana-Lafayette | Louisiana-Lafayette | Louisiana-Lafayette | Louisiana-Lafayette | UCLA | Louisiana-Lafayette | Washington |
| 15 | Texas | Oregon | Georgia Tech | Texas A&M | Washington | LSU | Florida | Missouri | Missouri | Missouri | Northwestern | Northwestern | Missouri | Fresno State | Oregon State |
| 16 | Oregon State | Florida | Georgia | Florida | Oregon State | Florida | (tie-16) Oregon State | Oregon State | Florida | Northwestern | Florida | Florida | Fresno State | Missouri | Northwestern |
| 17 | Baylor | Georgia Tech | Nebraska | Nebraska | Florida | Oregon State | (tie-16) Washington | Washington | Arizona State | Florida | Missouri | Georgia Tech | Georgia Tech | Georgia Tech | Georgia Tech |
| 18 | Nebraska | Florida State | Oregon | Oregon State | Nebraska | Nebraska | Nebraska | Arizona State | Northwestern | Fresno State | Georgia Tech | Fresno State | Auburn | Auburn | Bethune-Cookman |
| 19 | Fresno State | Nebraska | Texas A&M | Georgia Tech | Georgia Tech | Missouri | Arizona State | Georgia Tech | Fresno State | Georgia Tech | Creighton | Missouri | Northwestern | Northwestern | Louisiana-Lafayette |
| 20 | Long Beach State | Oregon State | Florida International | Florida State | Missouri | Georgia Tech | Northwestern | Northwestern | Washington | Auburn | Fresno State | Auburn | Washington | Southern Illinois | (tie-20) Missouri |
| 21 | South Florida | Fresno State | Florida State | Oregon | Florida State | Arizona State | Georgia Tech | Fresno State | Georgia Tech | Arizona State | Auburn | Iowa | Iowa | Washington | (tie-20) Auburn |
| 22 | Illinois | Long Beach State | Oregon State | Florida International | Fresno State | Florida State | LSU | Nebraska | Auburn | Creighton | Iowa | Washington | Southern Illinois | Iowa | Fresno State |
| 23 | Georgia tech | Texas A&M | Long Beach State | Missouri | Northwestern | Northwestern | Fresno State | Auburn | Creighton | Iowa | Washington | Southern Illinois | Florida | Florida | Oregon |
| 24 | Southern Illinois | Florida International | Missouri | Fresno State | Arizona state | Fresno State | Florida State | Iowa | Iowa | Washington | Arizona State | Creighton | Long Beach State | Long Beach State | Iowa |
| 25 | Hofstra | Illinois | Fresno State | Northwestern | Texas A&M-Corpus Christi | Auburn | Auburn | Creighton | Oregon | Oregon | Oregon | Long Beach State | Oregon | Nebraska | Nebraska |