| 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 | ||
| 1 | Fresno State (20) | UCLA (18) | UCLA (25) | UCLA (25) | UCLA (25) | UCLA (25) | UCLA (25) | UCLA (25) | UCLA (25) | UCLA (25) | UCLA (23) | UCLA (24) | UCLA (25) | |
| 2 | Arizona (1) | Arizona (1) | Arizona | Arizona | Arizona | Arizona | Arizona | Fresno State | Fresno State | Fresno State | Fresno State (2) | Fresno State (1) | Washington | |
| 3 | UCLA (4) | Fresno State (6) | Fresno State | Fresno State | Arizona State | Fresno State | Fresno State | Arizona | Arizona | Arizona | Arizona | Arizona | DePaul | |
| 4 | Washington | Washington | Washington | Washington | Fresno State | Washington | Washington | Washington | USL | Michigan | USL | USL | California | |
| 5 | Michigan | Oklahoma | Oklahoma | Oklahoma | Washington | USL | USL | USL | Washington | Washington | Washington | Michigan | Fresno State | |
| 6 | South Florida | DePaul | Arizona State | Arizona State | USL | Arizona State | Michigan | Michigan | Michigan | USL | Michigan | Washington | Arizona | |
| 7 | Texas | Texas | Stanford | USL | Stanford | Michigan | Arizona State | Arizona State | LSU | LSU | LSU | LSU | Arizona State | |
| 8 | Nebraska | Arizona State | USL | Stanford | Michigan | Oklahoma | Stanford | Oklahoma | Oregon State | Oregon State | Southern Mississippi | Southern Mississippi | Southern Mississippi | |
| 9 | LSU | Stanford | Michigan | South Carolina | Oklahoma | Stanford | South Carolina | LSU | Oklahoma | Oklahoma | Oklahoma | Oklahoma | USL | |
| 10 | Massachusetts | USL | (tie) South Carolina | Michigan | South Carolina | South Carolina | LSU | Stanford | Arizona State | Arizona State | Illinois-Chicago | Illinois-Chicago | Oregon State | |
| 11 | Oklahoma | South Florida | Texas | Texas | LSU | LSU | Oklahoma | South Carolina | Texas | Southern Mississippi | Oregon State | Texas | LSU | |
| 12 | (tie) DePaul | LSU | Oregon State | Oregon State | Oregon State | Oregon State | Oregon | Oregon State | Stanford | Illinois-Chicago | Texas | Oregon State | Maryland | |
| 13 | Long Beach State | South Carolina | LSU | LSU | California | Oregon | Oregon State | California | California | Texas | Arizona State | Massachusetts | Illinois-Chicago | |
| 14 | Stanford | Michigan | South Florida | California | Texas | California | California | Oregon | Illinois-Chicago | South Carolina | Stanford | South Carolina | Michigan State | |
| 15 | Oklahoma State | Oregon | Oregon | Illinois-Chicago | Illinois-Chicago | Texas | Texas | Texas | Southern Mississippi | Stanford | South Carolina | Stanford | Missouri | |
| 16 | Iowa | Nebraska | California | Oregon | Oregon | Illinois-Chicago | Illinois-Chicago | Illinois-Chicago | South Carolina | California | Massachusetts | Arizona State | Michigan | |
| 17 | Hawaii | Illinois-Chicago | Illinois-Chicago | Massachusetts | Iowa | Southern Mississippi | Southern Mississippi | Southern Mississippi | Oregon | Massachusetts | DePaul | California | Massachusetts | |
| 18 | Arizona State | Massachusetts | Minnesota | Minnesota | Minnesota | Texas A&M | South Florida | South Florida | Texas A&M | Oregon | Oregon | DePaul | Texas | |
| 19 | Alabama | Oregon State | (tie) DePaul | South Florida | Southern Mississippi | South Florida | Texas A&M | Texas A&M | Massachusetts | DePaul | California | Oregon | South Carolina | |
| 20 | Florida | California | Nebraska | New Mexico | South Florida | Iowa | New Mexico | New Mexico | New Mexico | New Mexico | New Mexico | New Mexico | Nebraska | |
| 21 | Florida State | Minnesota | New Mexico | Iowa | Massachusetts | New Mexico | Massachusetts | Massachusetts | South Florida | Texas A&M | Maryland | Maryland | Hawaii | |
| 22 | Minnesota | New Mexico | Massachusetts | Southern Mississippi | New Mexico | Massachusetts | Minnesota | DePaul | DePaul | South Florida | Texas A&M | Texas A&M | Minnesota | |
| 23 | Hofstra | Iowa | Iowa | Texas A&M | Texas A&M | Minnesota | DePaul | Missouri | Iowa | Maryland | Missouri | Missouri | Oklahoma | |
| 24 | Illinois-Chicago | Hawaii | Texas A&M | Nebraska | DePaul | DePaul | Missouri | Iowa | Florida Atlantic | Missouri | South Florida | Tennessee | Texas Tech | |
| 25 | Oregon | Florida | Hawai'i | DePaul | Central Michigan | Missouri | Iowa | Minnesota | Maryland | Pacific | Pacific | Virginia Tech | Oregon | |