Northern Arizona stuns Arizona, 21–19

Northern Arizona closed as a 26.5-point underdog and won outright.

It was the biggest of 14 upsets in 2021 Week 3, and the 8th-biggest of the 2021 season. It was Northern Arizona's only upset win of 2021.

Other upsets in 2021 Week 3

1. Fresno State 40, No. 13 UCLA 37

   11-point underdogUnranked beat No. 13Recap
   Upset size17.5
2. Western Michigan 44, Pittsburgh 41

   14.5-point underdogRecap
   Upset size14.5
3. Colorado State 22, Toledo 6

   14.5-point underdogRecap
   Upset size14.5
4. Incarnate Word 42, Texas State 34

   10.5-point underdogFCS beat FBSRecap
   Upset size10.5
5. East Carolina 42, Marshall 38

   10-point underdogRecap
   Upset size10

More: Northern Arizona upsets · Arizona upsets · all Week 3 upsets · the 2021 season · how upset size works