2021 · Week 15 · Division

Final / OT

Chiefs

Kansas City

QB Patrick Mahomes

34·28

Chargers

Los Angeles

QB Justin Herbert

SoFi Stadium · dome · matrixturf

Closing spread

KC -3

Total

54

Model margin

+1.1est.

LAC perspective

Push chance

7.2%est.

the line sits on a key number

Win probability

  • Chargers
  • Chiefs

How each play moved the game.

Chargers 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 mapChargers
  • +0.140EPA / play+0.088
  • 51.1%Success rate47.4%
  • +0.216EPA / dropback+0.167
  • -0.024EPA / rush-0.075
  • 8.3%Explosive rate7.5%
  • +2.81CPOE-0.71
  • 52.1%Third-down rate45.7%
  • 60.0%Red-zone TD rate68.6%
  • 2.66Points / drive2.55
  • 2.0%Turnover rate1.8%

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 31–23 since 1999

CHARGERS have won 2 straight. Meetings average 44.9 points. LAC are 27-26-1 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2025 · W15LAC @ KC1613CHARGERS
2025 · W1KC @ LAC2127CHARGERS
2024 · W14LAC @ KC1719KC
2024 · W4KC @ LAC1710KC
2023 · W18KC @ LAC1312KC
2023 · W7LAC @ KC1731KC
2022 · W11KC @ LAC3027KC
2022 · W2LAC @ KC2427KC

Box score

Individual performances

Chiefs

Passing

PlayerC/AttYdsTDINT
Patrick Mahomes31/4741031

Rushing

PlayerCarYdsAvgTD
Patrick Mahomes33210.70
Clyde Edwards-Helaire9323.60
Darrel Williams5122.40
Blake Bell133.00
Mecole Hardman100.00

Chargers

Passing

PlayerC/AttYdsTDINT
Justin Herbert22/3823621
Keenan Allen0/1000

Rushing

PlayerCarYdsAvgTD
Justin Jackson13866.60
Austin Ekeler12594.91
Joshua Kelley7213.00
Justin Herbert5163.21
Andre Roberts166.00

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 -34.2%2.8%7.2%7.4%3.0%4.6%2.8%

Positive margins favour Chargers; negative favour Chiefs.

Half-point at risk

7.22%

outcomes that flip if the line moves 0.5

Model home win

52.0%

Expected total

47.1est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)-0.63
  • Home-field advantage+1.71
  • Quarterback adjustment0.00
  • Rest differential0.00
  • Expected margin+1.07