Las Vegas Raiders upset Indianapolis Colts, 23–20

The Raiders closed as 8.5-point underdogs and won outright. The betting market gave them a 23% chance.

All 2021 NFL Week 17 upsets, biggest first

An NFL upset is an underdog getting 3.5 or more points on the closing line winning outright. Upset size is the points it overcame. How it’s scored

1. Las Vegas Raiders 23, Indianapolis Colts 20

   8.5-point underdog23% to winRecap
   Upset size8.5
2. Arizona Cardinals 25, Dallas Cowboys 22

   6.5-point underdog30% to winRecap
   Upset size6.5
3. Cincinnati Bengals 34, Kansas City Chiefs 31

   3.5-point underdog38% to winRecap
   Upset size3.5