2021 · Week 18 · Division

Final

Chiefs

Kansas City

QB Patrick Mahomes

28·24

Broncos

Denver

QB Drew Lock

Empower Field at Mile High · outdoors · grass · 41°F · wind 4mph

Closing spread

KC -11.5

Total

44.5

Model margin

-3.8est.

DEN perspective

Push chance

None

half-point line — cannot push

Availability

The injury report

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

Chiefs

Broncos

Win probability

  • Broncos
  • Chiefs

How each play moved the game.

Broncos winsChiefs wins

Matchup

Where the edges are

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

Chiefsedge mapBroncos
  • +0.140EPA / play+0.021
  • 51.1%Success rate44.7%
  • +0.216EPA / dropback+0.100
  • -0.024EPA / rush-0.093
  • 8.3%Explosive rate9.1%
  • +2.81CPOE+2.34
  • 52.1%Third-down rate38.3%
  • 60.0%Red-zone TD rate62.5%
  • 2.66Points / drive1.89
  • 2.0%Turnover rate1.5%

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. DEN are 26-28-1 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2026 · W1DEN @ KC10–31KC
2025 · W17DEN @ KC20–13DEN
2025 · W11KC @ DEN19–22DEN
2024 · W18KC @ DEN0–38DEN
2024 · W10DEN @ KC14–16KC
2023 · W8KC @ DEN9–24DEN
2023 · W6DEN @ KC8–19KC
2022 · W17DEN @ KC24–27KC

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
BallStartPlaysYardsResultKC–DEN
DENQ1 15:0036Punt0–0
KCQ1 13:571786Touchdown7–0
DENQ1 6:081252Touchdown7–7
KCQ1 0:2662Punt7–7
DENQ2 12:56880Touchdown7–14
KCQ2 7:491454Field goal10–14
DENQ2 2:18616Punt10–14
KCQ2 0:23430End of half10–14
KCQ3 15:00975Touchdown17–14
DENQ3 10:43575Touchdown17–21
KCQ3 9:02832Punt17–21
DENQ3 5:3836Punt17–21
KCQ3 4:171040Field goal20–21
DENQ4 14:441067Opp touchdown28–21
DENQ4 7:42762Field goal28–24
KCQ4 4:37675End of half28–24

Box score

Individual performances

Chiefs

Passing

PlayerC/AttYdsTDINT
Patrick Mahomes27/4427020

Rushing

PlayerCarYdsAvgTD
Patrick Mahomes9546.00
Derrick Gore7304.30
Jerick McKinnon5244.80
Darrel Williams7172.40
Mecole Hardman11010.00

Broncos

Passing

PlayerC/AttYdsTDINT
Drew Lock12/2416200
Courtland Sutton1/11600

Rushing

PlayerCarYdsAvgTD
Melvin Gordon121109.21
Javonte Williams12463.80
Drew Lock4358.82

Receiving

PlayerRecTgtYdsTD
Tim Patrick610950
Jerry Jeudy25300
Javonte Williams22180
Noah Fant12160
Courtland Sutton13130
Melvin Gordon1260

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 -11.52.8%3.1%4.9%3.2%7.5%6.7%

Positive margins favour Broncos; negative favour Chiefs.

Half-point at risk

1.50%

outcomes that flip if the line moves 0.5

Model home win

39.0%

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 adjustment-2.95
  • Rest differential0.00
  • Expected margin-3.79