No. 20 Oregon upsets No. 12 USC, 41–27

No. 20 beat No. 12 in the AP poll.

It was the 8th-biggest of 11 upsets in 2026 Week 4, and the 43rd-biggest of the 2026 season. It was Oregon's only upset win of 2026.

Other upsets in 2026 Week 4

1. Wake Forest 30, No. 16 Louisville 27

   11.5-point underdogUnranked beat No. 16Recap
   Upset size16.5
2. Wisconsin 24, No. 13 Penn State 20

   9.5-point underdogUnranked beat No. 13Recap
   Upset size16
3. Minnesota 27, Washington 24

   12.5-point underdogRecap
   Upset size12.5
4. No. 21 Florida 52, No. 4 Ole Miss 28

   No. 21 beat No. 4Recap
   Upset size8.5
5. UAB 24, Navy 20

   6.5-point underdogRecap
   Upset size6.5

More: Oregon upsets · USC upsets · all Week 4 upsets · the 2026 season · how upset size works