2021 · Week 13 · Division

Final

Broncos

Denver

QB Teddy Bridgewater

9·22

Chiefs

Kansas City

QB Patrick Mahomes

GEHA Field at Arrowhead Stadium · outdoors · grass · 58°F · wind 22mph

Closing spread

KC -8.5

Total

46.5

Model margin

+4.8est.

KC perspective

Push chance

None

half-point line — cannot push

Win probability

  • Chiefs
  • Broncos

How each play moved the game.

Chiefs winsBroncos wins

Matchup

Where the edges are

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

Broncosedge mapChiefs
  • +0.021EPA / play+0.140
  • 44.7%Success rate51.1%
  • +0.100EPA / dropback+0.216
  • -0.093EPA / rush-0.024
  • 9.1%Explosive rate8.3%
  • +2.34CPOE+2.81
  • 38.3%Third-down rate52.1%
  • 62.5%Red-zone TD rate60.0%
  • 1.89Points / drive2.66
  • 1.5%Turnover rate2.0%

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

KC lead 31–24 since 1999

Meetings average 43.8 points. KC are 28-26-1 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2026 · W1DEN @ KC1031KC
2025 · W17DEN @ KC2013DEN
2025 · W11KC @ DEN1922DEN
2024 · W18KC @ DEN038DEN
2024 · W10DEN @ KC1416KC
2023 · W8KC @ DEN924DEN
2023 · W6DEN @ KC819KC
2022 · W17DEN @ KC2427KC

Box score

Individual performances

Broncos

Passing

PlayerC/AttYdsTDINT
Teddy Bridgewater22/4025712

Rushing

PlayerCarYdsAvgTD
Javonte Williams231024.40
Mike Boone4358.80
Teddy Bridgewater4174.30

Chiefs

Passing

PlayerC/AttYdsTDINT
Patrick Mahomes15/2918401

Rushing

PlayerCarYdsAvgTD
Clyde Edwards-Helaire14543.90
Darrel Williams5204.00
Patrick Mahomes4123.01

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 +8.56.5%7.5%3.2%4.9%3.2%3.0%

Positive margins favour Chiefs; negative favour Broncos.

Half-point at risk

1.28%

outcomes that flip if the line moves 0.5

Model home win

61.9%

Expected total

46.7est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+2.55
  • Home-field advantage+1.71
  • Quarterback adjustment0.00
  • Rest differential+0.56
  • Expected margin+4.81