Buffalo Bills beat Baltimore Ravens, 23–20

The Bills closed as 4-point underdogs and won outright. The betting market gave them a 36% chance.

All 2013 NFL Week 4 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. Buffalo Bills 23, Baltimore Ravens 20

   4-point underdog36% to winRecap
   Upset size4
2. Cleveland Browns 17, Cincinnati Bengals 6

   3.5-point underdog37% to winRecap
   Upset size3.5