Illinois stuns No. 7 Penn State, 20–18

Illinois closed as a 24.5-point underdog and won outright. It was unranked Illinois taking down the No. 7 team in the AP poll.

It was the biggest of 15 upsets in 2021 Week 8, and the biggest of the 2021 season. Illinois pulled off 2 other upsets in 2021.

Other upsets in 2021 Week 8

1. Rice 30, UAB 24

   23.5-point underdogRecap
   Upset size23.5
2. New Mexico 14, Wyoming 3

   20-point underdogRecap
   Upset size20
3. UL Monroe 41, South Alabama 31

   13.5-point underdogRecap
   Upset size13.5
4. App State 30, No. 14 Coastal Carolina 27

   4.5-point underdogUnranked beat No. 14Recap
   Upset size10.5
5. Iowa State 24, No. 8 Oklahoma State 21

   Unranked beat No. 8Recap
   Upset size9

Illinois’s other 2021 upsets

1. Illinois 14, Minnesota 6

   Week 1014.5-point underdogRecap
   Upset size14.5
2. Illinois 30, Nebraska 22

   Week 16.5-point underdogRecap
   Upset size6.5

More: Illinois upsets · Penn State upsets · all Week 8 upsets · the 2021 season · how upset size works