Washington edges No. 23 Illinois, 42–25

It was unranked Washington taking down the No. 23 team in the AP poll.

It was the 10th-biggest of 10 upsets in 2025 Week 9, and the 180th-biggest of the 2025 season. It was Washington's only upset win of 2025.

Other upsets in 2025 Week 9

1. Akron 24, Buffalo 16

   10.5-point underdogRecap
   Upset size10.5
2. Rice 37, UConn 34

   9.5-point underdogRecap
   Upset size9.5
3. Houston 24, No. 24 Arizona State 16

   7.5-point underdogUnranked beat No. 24Recap
   Upset size8.5
4. Kent State 24, Bowling Green 21

   7.5-point underdogRecap
   Upset size7.5
5. Memphis 34, No. 18 South Florida 31

   3.5-point underdogUnranked beat No. 18Recap
   Upset size7.5

More: Washington upsets · Illinois upsets · all Week 9 upsets · the 2025 season · how upset size works