San Diego State stuns Texas State, 31–29

San Diego State closed as a 10-point underdog and won outright.

It was the 3rd-biggest of 10 upsets in 2026 Week 5, and the 20th-biggest of the 2026 season. It was San Diego State's only upset win of 2026.

Other upsets in 2026 Week 5

1. No. 25 Missouri 45, No. 8 Florida 17

   5.5-point underdogNo. 25 beat No. 8Recap
   Upset size14
2. Bowling Green 24, Miami (OH) 20

   10.5-point underdogRecap
   Upset size10.5
3. Purdue 24, Illinois 17

   9.5-point underdogRecap
   Upset size9.5
4. Minnesota 20, Michigan 14

   6.5-point underdogRecap
   Upset size6.5
5. Temple 17, South Florida 13

   5.5-point underdogRecap
   Upset size5.5

More: San Diego State upsets · Texas State upsets · all Week 5 upsets · the 2026 season · how upset size works