Cleveland Browns upset Cincinnati Bengals, 20–18

The Browns closed as 9.5-point underdogs and won outright. The betting market gave them a 21% chance.

All 2025 NFL Week 18 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. Cleveland Browns 20, Cincinnati Bengals 18

   9.5-point underdog21% to winRecap
   Upset size9.5
2. Pittsburgh Steelers 26, Baltimore Ravens 24

   4.5-point underdog34% to winRecap
   Upset size4.5
3. Detroit Lions 19, Chicago Bears 16

   3.5-point underdog38% to winRecap
   Upset size3.5
4. Las Vegas Raiders 14, Kansas City Chiefs 12

   3.5-point underdog34% to winRecap
   Upset size3.5