College football · NFLTuesday, October 13, 2026
The Upset Report
NFL · 2012 · Week 3 · Sunday, September 23, 2012

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.

Final (OT)27–24
Upset size9
Chance to win23%
Rank in 20124th of 44

It was the biggest of 4 NFL upsets in 2012 Week 3, and the 4th-biggest of the 2012 season. Kansas City Chiefs pulled off 1 other upset in 2012.

Other NFL upsets in 2012 Week 3

  1. 6.5-point underdog28% to winRecap
    Upset size6.5
  2. 3.5-point underdog36% to winOTRecap
    Upset size3.5
  3. 3.5-point underdog35% to winRecap
    Upset size3.5

Kansas City Chiefs’ other 2012 upsets

  1. Week 135-point underdog34% to winRecap
    Upset size5

More: Kansas City Chiefs upsets · New Orleans Saints upsets · all Week 3 upsets · how upset size works