College football · NFLTuesday, October 13, 2026
The Upset Report
2019 · Week 4 · Saturday, September 21, 2019

Colorado upsets No. 24 Arizona State, 34–31

Colorado closed as a 8-point underdog and won outright. It was unranked Colorado taking down the No. 24 team in the AP poll.

Final34–31
Upset size9
Rank in 201957th of 171
8-point underdogUnranked beat No. 24

It was the 6th-biggest of 11 upsets in 2019 Week 4, and the 57th-biggest of the 2019 season. Colorado pulled off 3 other upsets in 2019.

Other upsets in 2019 Week 4

  1. 18.5-point underdogUnranked beat No. 19Recap
    Upset size22
  2. 20-point underdogRecap
    Upset size20
  3. 10-point underdogUnranked beat No. 15Recap
    Upset size15.5
  4. 14-point underdogRecap
    Upset size14
  5. 3.5-point underdogUnranked beat No. 10Recap
    Upset size11.5

Colorado’s other 2019 upsets

  1. Week 1314-point underdogRecap
    Upset size14
  2. Week 114-point underdogRecap
    Upset size4
  3. Week 24.5-point underdogUnranked beat No. 25Recap
    Upset size5

More: Colorado upsets · Arizona State upsets · all Week 4 upsets · the 2019 season · how upset size works