Washington State upsets Colorado State, 20–3

Washington State closed as a 6.5-point underdog and won outright.

It was the 6th-biggest of 11 upsets in 2025 Week 5, and the 92nd-biggest of the 2025 season. It was Washington State's only upset win of 2025.

Other upsets in 2025 Week 5

1. Virginia 46, No. 8 Florida State 38

   6.5-point underdogUnranked beat No. 8Recap
   Upset size15.5
2. Virginia Tech 23, NC State 21

   10.5-point underdogRecap
   Upset size10.5
3. No. 17 Alabama 24, No. 5 Georgia 21

   No. 17 beat No. 5Recap
   Upset size8.5
4. No. 23 Illinois 34, No. 21 USC 32

   6.5-point underdogNo. 23 beat No. 21Recap
   Upset size7.5
5. California 28, Boston College 24

   6.5-point underdogRecap
   Upset size6.5

More: Washington State upsets · Colorado State upsets · all Week 5 upsets · the 2025 season · how upset size works