No. 19 Indiana upsets No. 9 Illinois, 63–10

No. 19 beat No. 9 in the AP poll.

It was the 11th-biggest of 13 upsets in 2025 Week 4, and the 131st-biggest of the 2025 season. Indiana pulled off 2 other upsets in 2025.

Other upsets in 2025 Week 4

1. Syracuse 34, Clemson 21

   17.5-point underdogRecap
   Upset size17.5
2. Coastal Carolina 38, South Alabama 20

   14.5-point underdogRecap
   Upset size14.5
3. San Diego State 34, California 0

   13.5-point underdogRecap
   Upset size13.5
4. Western Michigan 14, Toledo 13

   11.5-point underdogRecap
   Upset size11.5
5. Tulsa 19, Oklahoma State 12

   10.5-point underdogRecap
   Upset size10.5

Indiana’s other 2025 upsets

1. No. 2 Indiana 13, No. 1 Ohio State 10

   Week 155.5-point underdogNo. 2 beat No. 1Recap
   Upset size6
2. No. 7 Indiana 30, No. 3 Oregon 20

   Week 77.5-point underdogNo. 7 beat No. 3Recap
   Upset size9.5

More: Indiana upsets · Illinois upsets · all Week 4 upsets · the 2025 season · how upset size works