No. 22 San Diego State edges Air Force, 20–14

San Diego State closed as a 3-point underdog and won outright.

It was the 12th-biggest of 15 upsets in 2021 Week 8, and the 175th-biggest of the 2021 season. San Diego State pulled off 3 other upsets in 2021.

Other upsets in 2021 Week 8

1. Illinois 20, No. 7 Penn State 18

   24.5-point underdogUnranked beat No. 7Recap
   Upset size34
2. Rice 30, UAB 24

   23.5-point underdogRecap
   Upset size23.5
3. New Mexico 14, Wyoming 3

   20-point underdogRecap
   Upset size20
4. UL Monroe 41, South Alabama 31

   13.5-point underdogRecap
   Upset size13.5
5. App State 30, No. 14 Coastal Carolina 27

   4.5-point underdogUnranked beat No. 14Recap
   Upset size10.5

San Diego State’s other 2021 upsets

1. No. 22 San Diego State 27, Boise State 16

   Week 133-point underdogRecap
   Upset size3
2. San Diego State 33, Utah 31

   Week 38-point underdogRecap
   Upset size8
3. San Diego State 38, No. 24 UTSA 24

   BowlUnranked beat No. 24Recap
   Upset size1

More: San Diego State upsets · Air Force upsets · all Week 8 upsets · the 2021 season · how upset size works