Northwestern upsets Illinois, 45–43

Northwestern closed as a 5.5-point underdog and won outright.

It was the 6th-biggest of 12 upsets in 2023 Week 13, and the 101st-biggest of the 2023 season. Northwestern pulled off 4 other upsets in 2023.

Other upsets in 2023 Week 13

1. Kentucky 38, No. 9 Louisville 31

   7.5-point underdogUnranked beat No. 9Recap
   Upset size16
2. Iowa State 42, No. 19 Kansas State 35

   9.5-point underdogUnranked beat No. 19Recap
   Upset size13
3. California 33, UCLA 7

   9.5-point underdogRecap
   Upset size9.5
4. Eastern Michigan 24, Buffalo 11

   6.5-point underdogRecap
   Upset size6.5
5. Hawai'i 27, Colorado State 24

   5.5-point underdogRecap
   Upset size5.5

Northwestern’s other 2023 upsets

1. Northwestern 24, Wisconsin 10

   Week 119.5-point underdogRecap
   Upset size9.5
2. Northwestern 33, Maryland 27

   Week 913.5-point underdogRecap
   Upset size13.5
3. Northwestern 37, Minnesota 34

   Week 411.5-point underdogRecap
   Upset size11.5
4. Northwestern 14, Utah 7

   Bowl6.5-point underdogRecap
   Upset size6.5

More: Northwestern upsets · Illinois upsets · all Week 13 upsets · the 2023 season · how upset size works