NFL · 2026 · Week 1 · Sunday, September 13, 2026
Arizona Cardinals upset Los Angeles Chargers, 26–14
The Cardinals closed as 8.5-point underdogs and won outright. The betting market gave them a 21% chance.
Final26–14
Upset size8.5
Chance to win21%
Rank in 20262nd of 16
It was the biggest of 2 NFL upsets in 2026 Week 1, and the 2nd-biggest of the 2026 season. It was Arizona Cardinals's only upset win of 2026.
Other NFL upsets in 2026 Week 1
- Upset size3.5
More: Arizona Cardinals upsets · Los Angeles Chargers upsets · all Week 1 upsets · how upset size works