Washington State stuns Arizona State, 34–21

Washington State closed as a 16.5-point underdog and won outright.

All 2021 Week 9 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. Washington State 34, Arizona State 21

   16.5-point underdogRecap
   Upset size16.5
2. Miami 38, No. 17 Pittsburgh 34

   9.5-point underdogUnranked beat No. 17Recap
   Upset size14
3. Bowling Green 56, Buffalo 44

   13.5-point underdogRecap
   Upset size13.5
4. Navy 20, Tulsa 17

   11-point underdogRecap
   Upset size11
5. West Virginia 38, No. 22 Iowa State 31

   7.5-point underdogUnranked beat No. 22Recap
   Upset size9.5
6. Wisconsin 27, No. 9 Iowa 7

   Unranked beat No. 9Recap
   Upset size8.5
7. Purdue 28, Nebraska 23

   7.5-point underdogRecap
   Upset size7.5
8. Mississippi State 31, No. 12 Kentucky 17

   Unranked beat No. 12Recap
   Upset size7
9. No. 8 Michigan State 37, No. 6 Michigan 33

   4-point underdogNo. 8 beat No. 6Recap
   Upset size5
10. Houston 44, No. 19 SMU 37

    Unranked beat No. 19Recap
    Upset size4.5
11. Old Dominion 23, Louisiana Tech 20

    4-point underdogRecap
    Upset size4
12. No. 18 Auburn 31, No. 10 Ole Miss 20

    No. 18 beat No. 10Recap
    Upset size4
13. Virginia Tech 26, Georgia Tech 17

    3.5-point underdogRecap
    Upset size3.5
14. Fresno State 30, No. 21 San Diego State 20

    Unranked beat No. 21Recap
    Upset size2.5