Montana stuns No. 20 Washington, 13–7

Montana closed as a 22.5-point underdog and won outright. It was unranked Montana taking down the No. 20 team in the AP poll.

It was the biggest of 16 upsets in 2021 Week 1, and the 9th-biggest of the 2021 season. It was Montana's only upset win of 2021.

Other upsets in 2021 Week 1

1. UC Davis 19, Tulsa 17

   22-point underdogFCS beat FBSRecap
   Upset size22
2. East Tennessee State 23, Vanderbilt 3

   21-point underdogFCS beat FBSRecap
   Upset size21
3. Northern Illinois 22, Georgia Tech 21

   19-point underdogRecap
   Upset size19
4. Utah State 26, Washington State 23

   17-point underdogRecap
   Upset size17
5. Virginia Tech 17, No. 10 North Carolina 10

   5.5-point underdogUnranked beat No. 10Recap
   Upset size13.5

More: Montana upsets · Washington upsets · all Week 1 upsets · the 2021 season · how upset size works