Illinois stuns Oregon, 21–10
Illinois closed as a 10.5-point underdog and won outright.
Final21–10
Upset size10.5
Rank in 202635th of 108
It was the 7th-biggest of 17 upsets in 2026 Week 8, and the 35th-biggest of the 2026 season. It was Illinois's only upset win of 2026.
Other upsets in 2026 Week 8
Cincinnati 37, 
No. 8 Texas Tech 24Upset size19.5- Upset size19.5
- Upset size13.5
Minnesota 13, 
No. 15 Iowa 10Upset size13
App State 34, 
James Madison 31Upset size12.5
More: Illinois upsets · Oregon upsets · all Week 8 upsets · the 2026 season · how upset size works