College football · NFLTuesday, October 13, 2026
The Upset Report
2018 · Week 9 · Saturday, October 27, 2018

Northwestern upsets No. 20 Wisconsin, 31–17

Northwestern closed as a 4-point underdog and won outright. It was unranked Northwestern taking down the No. 20 team in the AP poll.

Final31–17
Upset size7
Rank in 201898th of 181
4-point underdogUnranked beat No. 20

It was the 8th-biggest of 20 upsets in 2018 Week 9, and the 98th-biggest of the 2018 season. Northwestern pulled off 4 other upsets in 2018.

Other upsets in 2018 Week 9

  1. 23.5-point underdogRecap
    Upset size23.5
  2. 12-point underdogUnranked beat No. 15Recap
    Upset size17.5
  3. 27, 26
    13.5-point underdogRecap
    Upset size13.5
  4. Unranked beat No. 6Recap
    Upset size12.5
  5. 11-point underdogUnranked beat No. 25Recap
    Upset size11.5

Northwestern’s other 2018 upsets

  1. Week 123-point underdogRecap
    Upset size3
  2. Week 1111-point underdogRecap
    Upset size11
  3. Week 610.5-point underdogUnranked beat No. 20Recap
    Upset size13.5
  4. Bowl7-point underdogUnranked beat No. 20Recap
    Upset size10

More: Northwestern upsets · Wisconsin upsets · all Week 9 upsets · the 2018 season · how upset size works