2018 · Week 1 · Division

Final

Chiefs

Kansas City

QB Patrick Mahomes

38·28

Chargers

Los Angeles

QB Philip Rivers

StubHub Center · outdoors · grass · 84°F · wind 8mph

Closing spread

LAC -3.5

Total

48

Model margin

+1.4est.

LAC 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

Chargers

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
  • +0.236EPA / play+0.126
  • 50.0%Success rate47.0%
  • +0.349EPA / dropback+0.211
  • +0.018EPA / rush+0.001
  • 12.1%Explosive rate12.5%
  • +4.64CPOE+3.54
  • 47.8%Third-down rate39.7%
  • 75.5%Red-zone TD rate70.7%
  • 3.03Points / drive2.31
  • 1.7%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 32–23 since 1999

Meetings average 44.6 points. LAC are 27-27-1 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2026 · W6LAC @ KC6–22KC
2025 · W15LAC @ KC16–13CHARGERS
2025 · W1KC @ LAC21–27CHARGERS
2024 · W14LAC @ KC17–19KC
2024 · W4KC @ LAC17–10KC
2023 · W18KC @ LAC13–12KC
2023 · W7LAC @ KC17–31KC
2022 · W11KC @ LAC30–27KC

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–LAC
LACQ1 15:0039Opp touchdown7–0
LACQ1 13:03843Field goal7–3
KCQ1 9:20575Touchdown14–3
LACQ1 6:39424Punt14–3
KCQ1 5:0334Punt14–3
LACQ1 4:02539Field goal14–6
KCQ1 0:21430Punt14–6
LACQ2 13:581491Touchdown14–12
KCQ2 7:471047Field goal17–12
LACQ2 2:0046Punt17–12
KCQ2 0:51547End of half17–12
KCQ3 15:001169Touchdown24–12
LACQ3 9:25960Turnover24–12
KCQ3 4:16686Touchdown31–12
LACQ3 0:48991Touchdown31–20
KCQ4 12:0434Punt31–20
KCQ4 10:2232Touchdown38–20
LACQ4 9:421190Touchdown38–28
KCQ4 5:0130Punt38–28
LACQ4 3:05856Missed field goal38–28
KCQ4 1:063-2Punt38–28
LACQ4 0:36432End of half38–28

Box score

Individual performances

Chiefs

Passing

PlayerC/AttYdsTDINT
Patrick Mahomes15/2725640

Rushing

PlayerCarYdsAvgTD
Kareem Hunt16493.10
Spencer Ware33210.70
Patrick Mahomes5214.20
Tyreek Hill242.00
Damien Williams100.00

Chargers

Passing

PlayerC/AttYdsTDINT
Philip Rivers34/5142431

Rushing

PlayerCarYdsAvgTD
Melvin Gordon15644.30
Austin Ekeler5397.80
Travis Benjamin11919.00

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 +3.54.2%2.8%7.2%7.5%3.0%4.6%2.9%

Positive margins favour Chargers; negative favour Chiefs.

Half-point at risk

2.51%

outcomes that flip if the line moves 0.5

Model home win

52.8%

Expected total

47.0est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)-0.36
  • Home-field advantage+1.74
  • Quarterback adjustment0.00
  • Rest differential0.00
  • Expected margin+1.38