Cincinnati Bengals upset Kansas City Chiefs, 27–24

The Bengals closed as 7-point underdogs and won outright in overtime. The betting market gave them a 27% chance.

It was the biggest of 1 NFL upset in 2021 Conference championships, and the 14th-biggest of the 2021 season. Cincinnati Bengals pulled off 3 other upsets in 2021.

Cincinnati Bengals’ other 2021 upsets

1. Cincinnati Bengals 41, Baltimore Ravens 17

   Week 76.5-point underdog29% to winRecap
   Upset size6.5
2. Cincinnati Bengals 19, Tennessee Titans 16

   Divisional round4-point underdog36% to winRecap
   Upset size4
3. Cincinnati Bengals 34, Kansas City Chiefs 31

   Week 173.5-point underdog38% to winRecap
   Upset size3.5

More: Cincinnati Bengals upsets · Kansas City Chiefs upsets · all Conference championships upsets · how upset size works