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The Upset Report
NFL · 2009 · Week 11 · Sunday, November 22, 2009

Kansas City Chiefs stun Pittsburgh Steelers, 27–24

The Chiefs closed as 10.5-point underdogs and won outright in overtime. The betting market gave them a 15% chance.

Final (OT)27–24
Upset size10.5
Chance to win15%
Rank in 20095th of 52

It was the biggest of 4 NFL upsets in 2009 Week 11, and the 5th-biggest of the 2009 season. Kansas City Chiefs pulled off 2 other upsets in 2009.

Other NFL upsets in 2009 Week 11

  1. Oakland Raiders 20, Cincinnati Bengals 17
    9-point underdog22% to winRecap
    Upset size9
  2. Tennessee Titans 20, Houston Texans 17
    4-point underdog37% to winRecap
    Upset size4
  3. Miami Dolphins 24, Carolina Panthers 17
    3.5-point underdog36% to winRecap
    Upset size3.5

Kansas City Chiefs’ other 2009 upsets

  1. Kansas City Chiefs 44, Denver Broncos 24
    Week 179.5-point underdog21% to winRecap
    Upset size9.5
  2. Kansas City Chiefs 14, Washington Commanders 6
    Week 66.5-point underdog29% to winRecap
    Upset size6.5

More: Kansas City Chiefs upsets · Pittsburgh Steelers upsets · all Week 11 upsets · how upset size works