2009 · Week 12 · Division

Final

Chiefs

Kansas City

QB Matt Cassel

14·43

Chargers

San Diego

QB Philip Rivers

Qualcomm Stadium · outdoors · grass · 63°F · wind 8mph

Closing spread

SD -13

Total

44.5

Model margin

+3.3est.

SD perspective

Push chance

1.7%est.

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.

The rivalry

KC lead 32–23 since 1999

Meetings average 44.6 points. SD 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–SD
LACQ1 15:0032Punt0–0
KCQ1 14:00515Punt0–0
LACQ1 11:4837Punt0–0
KCQ1 10:32612Turnover0–0
LACQ1 7:48761Touchdown0–7
KCQ1 4:1339Punt0–7
LACQ1 3:25745Punt0–7
KCQ2 14:06878Touchdown7–7
LACQ2 10:46370Touchdown7–14
KCQ2 10:05645Turnover7–14
LACQ2 7:04856Touchdown7–21
KCQ2 2:521-11Opp touchdown7–28
KCQ2 2:32314Punt7–28
LACQ2 0:25221End of half7–28
KCQ3 15:0039Turnover7–28
LACQ3 13:4537Touchdown7–35
KCQ3 12:58879Touchdown14–35
LACQ3 9:45742Field goal14–38
KCQ3 4:27925Turnover on downs14–38
LACQ3 1:47732Turnover14–38
KCQ4 14:0235Safety14–40
LACQ4 12:451165Field goal14–43
KCQ4 5:0834Punt14–43
LACQ4 3:25518End of half14–43

Box score

Individual performances

Chiefs

Passing

PlayerC/AttYdsTDINT
Matt Cassel19/3117811
Brodie Croyle1/2300

Rushing

PlayerCarYdsAvgTD
Jamaal Charles14936.61
Matt Cassel6223.70
Kolby Smith111.00

Receiving

PlayerRecTgtYdsTD
Chris Chambers78701
Jamaal Charles33540
Bobby Wade25200
Lance Long24150
Kolby Smith1150
Mark Bradley0200
Brad Cottam0200
Leonard Pope12-30

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 +137.5%3.1%4.8%3.1%2.8%

Positive margins favour Chargers; negative favour Chiefs.

Half-point at risk

1.68%

outcomes that flip if the line moves 0.5

Model home win

58.0%

Expected total

43.9est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+0.86
  • Home-field advantage+2.49
  • Quarterback adjustment0.00
  • Rest differential0.00
  • Expected margin+3.34

One or both ratings are carry-over priors — no games have been played this season yet, so treat this as a starting assumption rather than a read.