Kansas City Chiefs

2026 upsets

No Chiefs upsets either way in 2026 yet.

All-time since 1999

Biggest upsets the Chiefs pulled off

1. Kansas City Chiefs 30, San Diego Chargers 16

   2007Week 412-point underdog13% to winRecap
   Upset size12
2. Kansas City Chiefs 19, Green Bay Packers 14

   2011Week 1511-point underdog17% to winRecap
   Upset size11
3. Kansas City Chiefs 27, Pittsburgh Steelers 24

   2009Week 1110.5-point underdog15% to winOTRecap
   Upset size10.5
4. Kansas City Chiefs 44, Denver Broncos 24

   2009Week 179.5-point underdog21% to winRecap
   Upset size9.5
5. Kansas City Chiefs 27, New Orleans Saints 24

   2012Week 39-point underdog23% to winOTRecap
   Upset size9
6. Kansas City Chiefs 10, Chicago Bears 3

   2011Week 139-point underdog22% to winRecap
   Upset size9
7. Kansas City Chiefs 33, Denver Broncos 19

   2008Week 49-point underdogRecap
   Upset size9
8. Kansas City Chiefs 42, New England Patriots 27

   2017Week 18-point underdog20% to winRecap
   Upset size8
9. Kansas City Chiefs 54, St. Louis Rams 34

   2000Week 87-point underdogRecap
   Upset size7
10. Kansas City Chiefs 23, Denver Broncos 22

    2000Week 47-point underdogRecap
    Upset size7

Worst times the Chiefs were upset

1. Las Vegas Raiders 20, Kansas City Chiefs 14

   2023Week 1611-point underdog18% to winRecap
   Upset size11
2. Las Vegas Raiders 40, Kansas City Chiefs 32

   2020Week 511-point underdog20% to winRecap
   Upset size11
3. Indianapolis Colts 19, Kansas City Chiefs 13

   2019Week 510.5-point underdog19% to winRecap
   Upset size10.5
4. New York Giants 12, Kansas City Chiefs 9

   2017Week 1110-point underdog22% to winOTRecap
   Upset size10
5. Chicago Bears 18, Kansas City Chiefs 17

   2015Week 510-point underdog21% to winRecap
   Upset size10
6. Tennessee Titans 22, Kansas City Chiefs 21

   2017Wild Card round8.5-point underdog21% to winRecap
   Upset size8.5
7. Buffalo Bills 16, Kansas City Chiefs 10

   2017Week 128.5-point underdog24% to winRecap
   Upset size8.5
8. Oakland Raiders 24, Kansas City Chiefs 20

   2014Week 127.5-point underdog25% to winRecap
   Upset size7.5
9. Indianapolis Colts 23, Kansas City Chiefs 7

   2013Week 167.5-point underdog24% to winRecap
   Upset size7.5
10. Houston Texans 24, Kansas City Chiefs 21

    2004Week 37.5-point underdogRecap
    Upset size7.5