2012 · Week 13 · Division

Final / OT

49ers

San Francisco

QB Colin Kaepernick

13·16

Rams

St. Louis

QB Sam Bradford

Edward Jones Dome · dome · astroplay

Closing spread

SF -7

Total

40.5

Model margin

+0.8est.

STL perspective

Push chance

4.3%est.

the line sits on a key number

Availability

The injury report

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

49ers

Rams

Win probability

  • Rams
  • 49ers

How each play moved the game.

Rams wins49ers 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

SF lead 31–24–1 since 1999

Meetings average 43.4 points. STL are 23-31-2 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2026 · W1SF @ LA27–7SF
2025 · W10LA @ SF42–26RAMS
2025 · W5SF @ LA26–23SF
2024 · W15LA @ SF12–6RAMS
2024 · W3SF @ LA24–27RAMS
2023 · W18LA @ SF21–20RAMS
2023 · W2SF @ LA30–23SF
2022 · W8SF @ LA31–14SF

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
BallStartPlaysYardsResultSF–STL
LAQ1 15:00513Punt0–0
SFQ1 12:2836Punt0–0
LAQ1 11:0335Punt0–0
SFQ1 9:311160Touchdown7–0
LAQ1 2:5838Punt7–0
SFQ1 1:22629Punt7–0
LAQ2 12:24619Punt7–0
SFQ2 8:55724Punt7–0
LAQ2 4:213-7Punt7–0
SFQ2 2:1633Punt7–0
LAQ2 1:43647Missed field goal7–0
SFQ2 0:254-9Turnover on downs7–0
SFQ3 15:0037Punt7–0
LAQ3 13:221179Turnover on downs7–0
SFQ3 6:45413Safety7–2
LAQ3 4:2749Punt7–2
SFQ3 1:561584Field goal10–2
LAQ4 8:43831Punt10–2
SFQ4 4:4137Opp touchdown10–10
SFQ4 3:04675Field goal13–10
LAQ4 1:34735Field goal13–13
LAOT623Punt13–13
SFOT623Punt13–13
LAOT39Punt13–13
SFOT617Missed field goal13–13
LAOT622Field goal13–16

Box score

Individual performances

49ers

Passing

PlayerC/AttYdsTDINT
Colin Kaepernick21/3220800

Rushing

PlayerCarYdsAvgTD
Colin Kaepernick9849.30
Frank Gore23582.51
Brandon Jacobs461.50

Receiving

PlayerRecTgtYdsTD
Michael Crabtree7111010
Mario Manningham56370
Randy Moss35300
Vernon Davis23150
Delanie Walker1270
Ted Ginn1110
Frank Gore0100

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 -74.3%2.8%7.3%7.4%3.0%4.5%

Positive margins favour Rams; negative favour 49ers.

Half-point at risk

4.28%

outcomes that flip if the line moves 0.5

Model home win

51.3%

Expected total

43.6est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)-1.66
  • Home-field advantage+2.49
  • Quarterback adjustment0.00
  • Rest differential0.00
  • Expected margin+0.83

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.