USC stuns No. 2 Ohio State, 30–18

USC closed as a 6.5-point underdog and won outright. It was unranked USC taking down the No. 2 team in the AP poll.

It was the biggest of 12 upsets in 2026 Week 9, and the 11th-biggest of the 2026 season. It was USC's only upset win of 2026.

Other upsets in 2026 Week 9

1. Troy 24, James Madison 21

   17.5-point underdogRecap
   Upset size17.5
2. Syracuse 30, No. 19 SMU 27

   8.5-point underdogUnranked beat No. 19Recap
   Upset size12
3. Iowa State 51, No. 24 Oklahoma State 49

   10-point underdogUnranked beat No. 24Recap
   Upset size11
4. Sacramento State 31, Kent State 10

   7.5-point underdogRecap
   Upset size7.5
5. Washington 17, Nebraska 10

   7.5-point underdogRecap
   Upset size7.5

More: USC upsets · Ohio State upsets · all Week 9 upsets · the 2026 season · how upset size works