Idaho upsets South Alabama, 29–23

Idaho closed as a 6.5-point underdog and won outright.

It was the 7th-biggest of 10 upsets in 2017 Week 4, and the 97th-biggest of the 2017 season. Idaho pulled off 1 other upset in 2017.

Other upsets in 2017 Week 4

1. NC State 27, No. 12 Florida State 21

   11.5-point underdogUnranked beat No. 12Recap
   Upset size18.5
2. No. 16 TCU 44, No. 6 Oklahoma State 31

   10.5-point underdogNo. 16 beat No. 6Recap
   Upset size15.5
3. Arizona State 37, No. 24 Oregon 35

   14.5-point underdogUnranked beat No. 24Recap
   Upset size15.5
4. Virginia 42, Boise State 23

   13.5-point underdogRecap
   Upset size13.5
5. New Mexico 16, Tulsa 13

   9-point underdogRecap
   Upset size9

Idaho’s other 2017 upsets

1. Idaho 24, Georgia State 10

   Week 147-point underdogRecap
   Upset size7

More: Idaho upsets · South Alabama upsets · all Week 4 upsets · the 2017 season · how upset size works