| WEEK 1 | WEEK 2 | WEEK 3 | WEEK 4 | WEEK 5 | WEEK 6 | WEEK 7 | WEEK 8 | WEEK 9 | WEEK 10 | WEEK 11 | WEEK 12 | |
| 1 | UCLA (18) | UCLA (19) | UCLA (21) | UCLA (16) | UCLA (18) | UCLA (18) | UCLA (22) | Arizona (23) | Arizona (19) | Arizona (21) | Arizona (22) | UCLA (15) |
| 2 | Arizona (2) | Arizona | Arizona | Arizona (4) | Arizona (2) | Washington (1) | Arizona | UCLA | UCLA | UCLA | UCLA | California |
| 3 | California (2) | Nebraska | Nebraska | Nebraska | Washington | Arizona (1) | Washington | Washington | Washington | Texas | Texas | Arizona |
| 4 | Michigan | Washington | Washington | Texas | Oklahoma | Oklahoma | Oklahoma | Oklahoma | Texas | Washington | DePaul | Texas |
| 5 | (tie) Nebraska | Texas (2) | Texas | Washington | Nebraska | Texas | Texas | Texas | Nebraska | Oklahoma | Oklahoma | Oklahoma |
| 6 | Washington | California | Oklahoma | Oklahoma | California | Nebraska | Nebraska | California | Oklahoma | DePaul | Cal State Fullerton | Washington |
| 7 | LSU | Cal State Fullerton | LSU | California | Texas | California | California | Nebraska | Cal State Fullerton | Cal State Fullerton | Georgia | Alabama |
| 8 | Oklahoma | LSU | California | LSU | LSU | Cal State Fullerton | Georgia | Cal State Fullerton | DePaul | (tie) Nebraska | Washington | Louisiana-Lafayette |
| 9 | Florida State | Oklahoma | Cal State Fullerton | Cal State Fullerton | Cal State Fullerton | Georgia | Cal State Fullerton | DePaul | Georgia | California | California | DePaul |
| 10 | Cal State Fullerton | Arizona State | Georgia | Georgia | DePaul | DePaul | DePaul | Georgia | California | Georgia | Florida State | Cal State Fullerton |
| 11 | DePaul | Stanford | Arizona State | Stanford | Georgia | LSU | LSU | LSU | LSU | LSU | Nebraska | Georgia |
| 12 | Texas | Georgia | Stanford | Arizona State | Stanford | Stanford | Arizona State | Arizona State | Arizona State | Arizona State | LSU | Michigan |
| 13 | Arizona State | DePaul | DePaul | DePaul | Arizona State | Arizona State | Stanford | Michigan | Michigan | Florida State | Oklahoma State | Nebraska |
| 14 | Stanford | Alabama | Michigan | Michigan | South Carolina | Michigan | South Carolina | Florida State | Florida State | Michigan | Michigan | Oklahoma State |
| 15 | Fresno State | Florida State | South Carolina | South Carolina | Michigan | South Carolina | Michigan | South Carolina | Stanford | Oklahoma State | Arizona State | LSU |
| 16 | Ohio State | South Carolina | Florida State | Florida State | Ohio State | Alabama | Florida State | Stanford | South Carolina | Stanford | Alabama | Oregon |
| 17 | Notre Dame | Oregon State | Oregon State | Oregon State | Florida State | Florida State | Oklahoma State | Alabama | Alabama | Alabama | Stanford | Iowa |
| 18 | (tie) Georgia | Massachusetts | Ohio State | Ohio State | Alabama | Oklahoma State | Alabama | Texas A&M | Oklahoma State | South Carolina | Oregon | (tie) Texas A&M |
| 19 | Georgia Tech | Michigan | Texas A&M | Alabama | Oregon | Oregon | Texas A&M | Oklahoma State | Texas A&M | Texas A&M | South Florida | Florida State |
| 20 | South Carolina | Ohio State | Alabama | Texas A&M | Oregon State | Texas A&M | Ohio State | Florida | Louisiana-Lafayette | South Florida | South Carolina | Arizona State |
| 21 | Pacific | Texas A&M | Massachusetts | South Florida | South Florida | Ohio State | Oregon | Louisiana-Lafayette | (tie) Oregon | Illinois | Louisiana-Lafayette | South Carolina |
| 22 | Alabama | South Florida | South Florida | Oregon | Oklahoma State | Oregon State | South Florida | Oregon | South Florida | (tie) Louisiana-Lafayette | Texas A&M | Southern Illinois |
| 23 | Oregon State | Oregon | Oregon | Oklahoma State | Texas A&M | South Florida | Kansas | South Florida | Illinois | Oregon | Iowa | Stanford |
| 24 | Texas A&M | Minnesota | Minnesota | Massachusetts | Kansas | Kansas | Florida | Illinois | Iowa | Iowa | Southern Illinois | Michigan State |
| 25 | Massachusetts | Baylor | Baylor | Kansas | Minnesota | Florida | Louisiana-Lafayette | Ohio State | Florida | Florida | Florida | South Florida |
| Louisiana-Lafayette | ||||||||||||