No. 22 Iowa State upsets No. 17 Kansas State, 24–21

No. 22 beat No. 17 in the AP poll.

It was the 8th-biggest of 10 upsets in 2025 Week 1, and the 132nd-biggest of the 2025 season. Iowa State pulled off 1 other upset in 2025.

Other upsets in 2025 Week 1

1. Florida State 31, No. 8 Alabama 17

   13.5-point underdogUnranked beat No. 8Recap
   Upset size22.5
2. Austin Peay 34, Middle Tennessee 14

   16.5-point underdogFCS beat FBSRecap
   Upset size16.5
3. Central Michigan 16, San José State 14

   14.5-point underdogRecap
   Upset size14.5
4. Tarleton State 30, Army 27

   14.5-point underdogFCS beat FBSRecap
   Upset size14.5
5. Rice 14, Louisiana 12

   9.5-point underdogRecap
   Upset size9.5

Iowa State’s other 2025 upsets

1. Iowa State 20, TCU 17

   Week 117.5-point underdogRecap
   Upset size7.5

More: Iowa State upsets · Kansas State upsets · all Week 1 upsets · the 2025 season · how upset size works