Buffalo Bills beat Miami Dolphins, 31–14

The Bills closed as 3.5-point underdogs and won outright. The betting market gave them a 36% chance.

It was the 2nd-biggest of 2 NFL upsets in 2009 Week 12, and the 44th-biggest of the 2009 season. Buffalo Bills pulled off 2 other upsets in 2009.

Other NFL upsets in 2009 Week 12

1. Denver Broncos 26, New York Giants 6

   4.5-point underdog33% to winRecap
   Upset size4.5

Buffalo Bills’ other 2009 upsets

1. Buffalo Bills 16, New York Jets 13

   Week 69.5-point underdog21% to winOTRecap
   Upset size9.5
2. Buffalo Bills 20, Carolina Panthers 9

   Week 77-point underdog26% to winRecap
   Upset size7

More: Buffalo Bills upsets · Miami Dolphins upsets · all Week 12 upsets · how upset size works