Western Michigan upsets Northern Illinois, 28–21

Western Michigan closed as a 6.5-point underdog and won outright.

It was the 11th-biggest of 18 upsets in 2018 Week 13, and the 110th-biggest of the 2018 season. It was Western Michigan's only upset win of 2018.

Other upsets in 2018 Week 13

1. Hawai'i 31, San Diego State 30

   17.5-point underdogRecap
   Upset size17.5
2. Charlotte 27, Florida Atlantic 24

   17-point underdogRecap
   Upset size17
3. UNLV 34, Nevada 29

   14-point underdogRecap
   Upset size14
4. Minnesota 37, Wisconsin 15

   12.5-point underdogRecap
   Upset size12.5
5. Western Kentucky 30, Louisiana Tech 15

   10.5-point underdogRecap
   Upset size10.5

More: Western Michigan upsets · Northern Illinois upsets · all Week 13 upsets · the 2018 season · how upset size works