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

Availability

The injury report

The official league filing for this week — game designations first, then who missed or was limited in practice.

Chargers

Steelers

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 @ LAC10–25CHARGERS
2024 · W3LAC @ PIT10–20PIT
2021 · W11PIT @ LAC37–41CHARGERS
2019 · W6PIT @ LAC24–17PIT
2018 · W13LAC @ PIT33–30CHARGERS
2015 · W5PIT @ SD24–20PIT
2012 · W14SD @ PIT34–24CHARGERS
2008 · playoffsSD @ PIT24–35PIT

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
BallStartPlaysYardsResultSD–PIT
PITQ1 15:00679Touchdown0–7
LACQ1 11:493-1Punt0–7
PITQ1 10:351265Touchdown0–14
LACQ1 4:08519Punt0–14
PITQ1 1:201057Punt0–14
LACQ2 9:40732Punt0–14
PITQ2 7:351474Touchdown0–21
LACQ2 1:28424Punt0–21
PITQ2 0:2700End of half0–21
LACQ3 15:00422Punt0–21
PITQ3 12:49881Touchdown0–28
LACQ3 7:481374Touchdown7–28
PITQ3 1:33712Punt7–28
LACQ4 13:393-9Touchdown14–28
PITQ4 12:37870Touchdown14–35
LACQ4 7:18467Touchdown21–35
PITQ4 5:4800Touchdown21–35
LACQ4 5:44428Touchdown28–35
PITQ4 4:311061Field goal28–38
LACQ4 0:431-5Turnover28–38
PITQ4 0:2600End of half28–38

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.