NFL.

The most single-game-volatile league in American sport. Every week produces at least one result that shouldn't have happened.

Coverage begins with preseason play in August 2026 and extends through the Super Bowl. The regular season ingest scaffolding is ready; games start scoring the moment the first Thursday-night whistle blows.

Check back once the first games have been scored. In the meantime, see the methodology for how upsets are ranked.