Coastal Carolina upsets Marshall, 27–21

Coastal Carolina closed as a 4.5-point underdog and won outright.

It was the 8th-biggest of 15 upsets in 2026 Week 6, and the 36th-biggest of the 2026 season. It was Coastal Carolina's only upset win of 2026.

Other upsets in 2026 Week 6

1. Oklahoma 27, No. 1 Texas 24

   7.5-point underdogUnranked beat No. 1Recap
   Upset size20
2. Buffalo 23, Toledo 8

   18.5-point underdogRecap
   Upset size18.5
3. Kentucky 35, No. 10 LSU 34

   9.5-point underdogUnranked beat No. 10Recap
   Upset size17.5
4. South Carolina 38, No. 16 Florida 19

   10.5-point underdogUnranked beat No. 16Recap
   Upset size15.5
5. No. 21 UCLA 17, No. 13 Oregon 15

   10-point underdogNo. 21 beat No. 13Recap
   Upset size14

More: Coastal Carolina upsets · Marshall upsets · all Week 6 upsets · the 2026 season · how upset size works