2009 · Week 4

Final

Chargers

San Diego

QB Philip Rivers

28·38

Steelers

Pittsburgh

QB Ben Roethlisberger

Heinz Field · outdoors · dessograss · 54°F · wind 4mph

Closing spread

PIT -5.5

Total

43

Model margin

+2.7est.

PIT perspective

Push chance

None

half-point line — cannot push

Win probability

  • Steelers
  • Chargers

How each play moved the game.

Steelers 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

PIT lead 9–5 since 1999

Meetings average 49.7 points. PIT are 9-5 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2025 · W10PIT @ LAC1025CHARGERS
2024 · W3LAC @ PIT1020PIT
2021 · W11PIT @ LAC3741CHARGERS
2019 · W6PIT @ LAC2417PIT
2018 · W13LAC @ PIT3330CHARGERS
2015 · W5PIT @ SD2420PIT
2012 · W14SD @ PIT3424CHARGERS
2008 · playoffsSD @ PIT2435PIT

Box score

Individual performances

Steelers

Passing

PlayerC/AttYdsTDINT
Ben Roethlisberger26/3333320
Mewelde Moore1/1610

Rushing

PlayerCarYdsAvgTD
Rashard Mendenhall291655.72
Santonio Holmes177.00
Ben Roethlisberger430.80
Mewelde Moore221.00

Receiving

PlayerRecTgtYdsTD
Hines Ward8111130
Heath Miller89702
Santonio Holmes45520
Mike Wallace23470
Mewelde Moore33311
Rashard Mendenhall22260
Matt Spaeth0100

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 +5.54.0%2.7%6.9%7.5%3.1%4.8%3.0%2.7%

Positive margins favour Steelers; negative favour Chargers.

Half-point at risk

3.11%

outcomes that flip if the line moves 0.5

Model home win

56.3%

Expected total

44.0est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+0.19
  • Home-field advantage+2.49
  • Quarterback adjustment0.00
  • Rest differential0.00
  • Expected margin+2.68

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.