Buffalo stuns No. 23 Northern Illinois, 23–20

Buffalo closed as a 12.5-point underdog and won outright. It was unranked Buffalo taking down the No. 23 team in the AP poll.

All 2024 Week 4 upsets, biggest first

Upset size is the points the winner overcame on the closing line plus a bonus for beating a ranked team. How it’s scored

1. Buffalo 23, No. 23 Northern Illinois 20

   12.5-point underdogUnranked beat No. 23Recap
   Upset size14
2. BYU 38, No. 13 Kansas State 9

   7.5-point underdogUnranked beat No. 13Recap
   Upset size14
3. Monmouth 45, Florida International 42

   12.5-point underdogFCS beat FBSRecap
   Upset size12.5
4. James Madison 70, North Carolina 50

   11.5-point underdogRecap
   Upset size11.5
5. No. 24 Illinois 31, No. 22 Nebraska 24

   9.5-point underdogNo. 24 beat No. 22Recap
   Upset size10.5
6. Stanford 26, Syracuse 24

   9.5-point underdogRecap
   Upset size9.5
7. Navy 56, Memphis 44

   8.5-point underdogRecap
   Upset size8.5
8. No. 18 Michigan 27, No. 11 USC 24

   4.5-point underdogNo. 18 beat No. 11Recap
   Upset size8
9. South Alabama 48, App State 14

   7.5-point underdogRecap
   Upset size7.5
10. Temple 45, Utah State 29

    6.5-point underdogRecap
    Upset size6.5
11. Rutgers 26, Virginia Tech 23

    3.5-point underdogRecap
    Upset size3.5