2020 · CON

Final

Bills

Buffalo

QB Josh Allen

24·38

Chiefs

Kansas City

QB Patrick Mahomes

Arrowhead Stadium · outdoors · astroturf · 40°F · wind 7mph

Closing spread

KC -3

Total

54.5

Model margin

-0.2est.

KC perspective

Push chance

7.3%est.

the line sits on a key number

Availability

The injury report

The official league filing for this week — game designations first, then who missed or was limited in practice.

Bills

Chiefs

Win probability

  • Chiefs
  • Bills

How each play moved the game.

Chiefs winsBills wins

Matchup

Where the edges are

Season-long league percentiles for both sides, mirrored. The saturated side of a lopsided row holds the edge.

Billsedge mapChiefs
  • +0.169EPA / play+0.177
  • 50.4%Success rate50.2%
  • +0.298EPA / dropback+0.288
  • -0.081EPA / rush-0.056
  • 10.7%Explosive rate11.0%
  • +6.29CPOE+2.60
  • 49.9%Third-down rate49.5%
  • 68.4%Red-zone TD rate70.8%
  • 2.78Points / drive2.85
  • 1.9%Turnover rate1.4%

Bar length is league percentile, already oriented so longer is better. The saturated side of a lopsided row holds the edge; rows within ~12 points are washed as even.

The rivalry

BUF lead 12–11 since 1999

Meetings average 45.3 points. KC are 9-14 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2025 · W9KC @ BUF21–28BUF
2024 · playoffsBUF @ KC29–32KC
2024 · W11KC @ BUF21–30BUF
2023 · playoffsKC @ BUF27–24KC
2023 · W14BUF @ KC20–17BUF
2022 · W6BUF @ KC24–20BUF
2021 · playoffsBUF @ KC36–42KC
2021 · W5BUF @ KC38–20BUF

Possession by possession

How it unfolded

Every drive: who had the ball, how far it went, how it ended, and the score as it settled.

Drive-by-drive log
BallStartPlaysYardsResultBUF–KC
BUFQ1 15:00942Field goal3–0
KCQ1 11:2736Punt3–0
BUFQ1 9:58626Punt9–0
BUFQ1 6:1913Touchdown9–0
KCQ1 6:141480Touchdown9–7
BUFQ2 14:16511Punt9–7
KCQ2 12:26582Touchdown9–14
BUFQ2 9:3537Punt9–14
KCQ2 8:31977Touchdown9–21
BUFQ2 4:121173Field goal12–21
KCQ2 0:1100End of half12–21
KCQ3 15:00948Field goal12–24
BUFQ3 10:481067Field goal15–24
KCQ3 5:49573Touchdown15–31
BUFQ3 3:291255Turnover15–31
KCQ4 13:111158Touchdown15–38
BUFQ4 7:361063Touchdown21–38
KCQ4 4:0800Field goal21–38
BUFQ4 4:06416Field goal24–38
KCQ4 3:14519End of half24–38

Box score

Individual performances

Bills

Passing

PlayerC/AttYdsTDINT
Josh Allen28/4828721

Rushing

PlayerCarYdsAvgTD
Josh Allen78812.60
Devin Singletary6172.80
T.J. Yeldon3155.00
Isaiah McKenzie294.50

Chiefs

Passing

PlayerC/AttYdsTDINT
Patrick Mahomes29/3832530

Rushing

PlayerCarYdsAvgTD
Darrel Williams13524.01
Mecole Hardman15050.00
Clyde Edwards-Helaire671.21
Patrick Mahomes551.00

Where this game is likely to land

  • Model
  • Smooth (normal)
  • Betting line

Probability of each final margin. Football scoring clusters — the spikes at 3 and 7 are real, and a smooth model misses them.

line +32.7%4.4%2.9%7.4%7.3%2.9%4.4%2.7%

Positive margins favour Chiefs; negative favour Bills.

Half-point at risk

7.33%

outcomes that flip if the line moves 0.5

Model home win

48.5%

Expected total

45.3est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)-1.84
  • Home-field advantage+1.71
  • Quarterback adjustment0.00
  • Rest differential-0.08
  • Expected margin-0.21