Kansas City Chiefs upset Chicago Bears, 10–3

The Chiefs closed as 9-point underdogs and won outright. The betting market gave them a 22% chance.

It was the biggest of 2 NFL upsets in 2011 Week 13, and the 9th-biggest of the 2011 season. Kansas City Chiefs pulled off 2 other upsets in 2011.

Other NFL upsets in 2011 Week 13

1. Arizona Cardinals 19, Dallas Cowboys 13

   4-point underdog35% to winOTRecap
   Upset size4

Kansas City Chiefs’ other 2011 upsets

1. Kansas City Chiefs 19, Green Bay Packers 14

   Week 1511-point underdog17% to winRecap
   Upset size11
2. Kansas City Chiefs 28, Oakland Raiders 0

   Week 73.5-point underdog37% to winRecap
   Upset size3.5

More: Kansas City Chiefs upsets · Chicago Bears upsets · all Week 13 upsets · how upset size works