Kansas City Chiefs upset New Orleans Saints, 27–24

The Chiefs closed as 9-point underdogs and won outright in overtime. The betting market gave them a 23% chance.

All 2012 NFL Week 3 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. Kansas City Chiefs 27, New Orleans Saints 24

   9-point underdog23% to winOTRecap
   Upset size9
2. Minnesota Vikings 24, San Francisco 49ers 13

   6.5-point underdog28% to winRecap
   Upset size6.5
3. Tennessee Titans 44, Detroit Lions 41

   3.5-point underdog36% to winOTRecap
   Upset size3.5
4. Oakland Raiders 34, Pittsburgh Steelers 31

   3.5-point underdog35% to winRecap
   Upset size3.5