College football · NFLTuesday, October 13, 2026
The Upset Report
2003 · Week 4 · Saturday, September 13, 2003

Washington State upsets No. 17 Colorado, 47–26

It was unranked Washington State taking down the No. 17 team in the AP poll.

Final47–26
Upset size4.5
Rank in 200334th of 69
Unranked beat No. 17

It was the 3rd-biggest of 4 upsets in 2003 Week 4, and the 34th-biggest of the 2003 season. Washington State pulled off 2 other upsets in 2003.

Other upsets in 2003 Week 4

  1. Unranked beat No. 6Recap
    Upset size10
  2. Unranked beat No. 14Recap
    Upset size6
  3. Unranked beat No. 20Recap
    Upset size3

Washington State’s other 2003 upsets

  1. Week 6No. 21 beat No. 10Recap
    Upset size5.5
  2. BowlNo. 15 beat No. 6Recap
    Upset size4.5

More: Washington State upsets · Colorado upsets · all Week 4 upsets · the 2003 season · how upset size works