2003 · Week 1 · Division

Final

Chargers

San Diego

QB Drew Brees

14·27

Chiefs

Kansas City

QB Trent Green

Arrowhead Stadium · outdoors · grass · 77°F · wind 6mph

Closing spread

KC -4.5

Total

47

Model margin

+4.1est.

KC perspective

Push chance

None

half-point line — cannot push

Win probability

  • Chiefs
  • Chargers

How each play moved the game.

Chiefs winsChargers 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 31–23 since 1999

CHARGERS have won 2 straight. Meetings average 44.9 points. KC are 26-27-1 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
Trent Green21/3228211

Rushing

PlayerCarYdsAvgTD
Priest Holmes18854.72
Dante Hall2189.00
Derrick Blaylock4112.80
Trent Green4102.50

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 +4.53.7%6.6%7.5%3.2%4.9%3.2%2.9%

Positive margins favour Chiefs; negative favour Chargers.

Half-point at risk

1.97%

outcomes that flip if the line moves 0.5

Model home win

60.1%

Expected total

46.4est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+1.57
  • Home-field advantage+2.56
  • Quarterback adjustment0.00
  • Rest differential0.00
  • Expected margin+4.13

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.