Colorado edges Oregon State, 17–13

Colorado closed as a 3.5-point underdog and won outright.

It was the 10th-biggest of 12 upsets in 2015 Week 8, and the 131st-biggest of the 2015 season. It was Colorado's only upset win of 2015.

Other upsets in 2015 Week 8

1. Georgia Tech 22, No. 9 Florida State 16

   6.5-point underdogUnranked beat No. 9Recap
   Upset size15
2. Rice 38, Army 31

   14-point underdogRecap
   Upset size14
3. USC 42, No. 3 Utah 24

   Unranked beat No. 3Recap
   Upset size11.5
4. Washington State 45, Arizona 42

   8.5-point underdogRecap
   Upset size8.5
5. Northwestern 30, Nebraska 28

   6.5-point underdogRecap
   Upset size6.5

More: Colorado upsets · Oregon State upsets · all Week 8 upsets · the 2015 season · how upset size works