The undefeated list got quite a bit shorter this week. We started with 35 schools after Week 3, and 13 took their first loss in Week 4.
That leaves 22 undefeated schools as of September 27, 2026. Of those, 21 are 4–0, and BYU is 3–0. These records come from my Week 4 FBS rankings.
The remaining undefeated schools
Schools are grouped by record: 4–0, then 3–0, and listed alphabetically within each group. Each next opponent links to an official schedule source, checked September 28. “At” indicates a road game; “vs.” indicates a home game unless a neutral site is noted. Opponent records are through Week 4, as of September 27. Dates are in 2026.
| School | Record | Next opponent | Date |
|---|---|---|---|
| Alabama | 4–0 | at Mississippi State (4–0) | Oct. 3 |
| Cincinnati | 4–0 | at Arizona (3–1) | Oct. 3 |
| Duke | 4–0 | at Georgia Tech (1–3) | Oct. 10 |
| Florida | 4–0 | at Missouri (3–1) | Oct. 3 |
| Georgia | 4–0 | vs. Vanderbilt (3–1) | Oct. 3 |
| Indiana | 4–0 | at Rutgers (1–3) | Oct. 3 |
| Iowa | 4–0 | vs. Ohio State (3–1) | Oct. 3 |
| James Madison | 4–0 | vs. Marshall (3–1) | Oct. 3 |
| Massachusetts | 4–0 | vs. Eastern Michigan (2–3) | Oct. 3 |
| Miami (FL) | 4–0 | at Clemson (3–1) | Oct. 3 |
| Mississippi State | 4–0 | vs. Alabama (4–0) | Oct. 3 |
| Nebraska | 4–0 | vs. Maryland (2–2) | Oct. 3 |
| North Dakota State | 4–0 | vs. Wyoming (2–2) | Oct. 3 |
| Notre Dame | 4–0 | at North Carolina (2–1) | Oct. 3 |
| Pittsburgh | 4–0 | at Virginia Tech (4–0) | Oct. 2 |
| South Florida | 4–0 | vs. Temple (1–3) | Oct. 3 |
| Texas | 4–0 | vs. Oklahoma (2–2) (Dallas, neutral site) | Oct. 10 |
| Texas Tech | 4–0 | at Colorado (2–2) | Oct. 3 |
| UCLA | 4–0 | at Oregon (3–1) | Oct. 10 |
| Utah | 4–0 | vs. Kansas (1–2) | Oct. 10 |
| Virginia Tech | 4–0 | vs. Pittsburgh (4–0) | Oct. 2 |
| BYU | 3–0 | at TCU (2–2) | Oct. 3 |
Duke, Texas, UCLA and Utah have a bye before their next games on October 10. Two matchups pair unbeaten schools: Pittsburgh visits Virginia Tech on October 2, and Alabama visits Mississippi State on October 3.
Dropping off the list
These 13 schools were unbeaten last week and now have one loss.
| School | Record |
|---|---|
| App State | 3–1 |
| Kansas State | 3–1 |
| Michigan | 3–1 |
| Missouri | 3–1 |
| Northwestern | 2–1 |
| Ole Miss | 3–1 |
| Penn State | 3–1 |
| Southern California | 4–1 |
| Tennessee | 3–1 |
| Tulsa | 3–1 |
| Vanderbilt | 3–1 |
| Washington | 3–1 |
| West Virginia | 3–1 |
Following the list each week
Going into week 5, 22 schools still have a zero in the loss column. Let’s see how many make it through Week 5. We know for sure that two of these schools will suffer their first loss: Alabama, Mississippi State, Pittsburgh or Virginia Tech.