Carolina Panthers beat Houston Texans, 28–13

The Panthers closed as 4.5-point underdogs and won outright. The betting market gave them a 31% chance.

It was the 4th-biggest of 5 NFL upsets in 2011 Week 15, and the 31st-biggest of the 2011 season. It was Carolina Panthers's only upset win of 2011.

Other NFL upsets in 2011 Week 15

1. Kansas City Chiefs 19, Green Bay Packers 14

   11-point underdog17% to winRecap
   Upset size11
2. Indianapolis Colts 27, Tennessee Titans 13

   6.5-point underdog28% to winRecap
   Upset size6.5
3. Washington Commanders 23, New York Giants 10

   5.5-point underdog30% to winRecap
   Upset size5.5
4. Seattle Seahawks 38, Chicago Bears 14

   3.5-point underdog36% to winRecap
   Upset size3.5

More: Carolina Panthers upsets · Houston Texans upsets · all Week 15 upsets · how upset size works