2012 · Week 2

Final

Lions

Detroit

QB Matthew Stafford

19·27

49ers

San Francisco

QB Alex Smith

Candlestick Park · outdoors · grass · 62°F · wind 15mph

Closing spread

SF -7

Total

46

Model margin

+4.2est.

SF perspective

Push chance

4.9%est.

the line sits on a key number

Win probability

  • 49ers
  • Lions

How each play moved the game.

49ers winsLions wins

Matchup

Where the edges are

Season-long league percentiles for both sides, mirrored. The saturated side of a lopsided row holds the edge.

Lionsedge map49ers
  • -0.004EPA / play+0.105
  • 45.2%Success rate47.9%
  • +0.056EPA / dropback+0.170
  • -0.131EPA / rush+0.029
  • 8.6%Explosive rate12.9%
  • -2.29CPOE+5.02
  • 41.4%Third-down rate35.1%
  • 61.9%Red-zone TD rate54.7%
  • 1.65Points / drive1.92
  • 2.5%Turnover rate1.4%

Bar length is league percentile, already oriented so longer is better. The saturated side of a lopsided row holds the edge; rows within ~12 points are washed as even.

The rivalry

SF lead 10–2 since 1999

Meetings average 48.8 points. SF are 4-7-1 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2024 · W17DET @ SF4034DET
2023 · playoffsDET @ SF3134SF
2021 · W1SF @ DET4133SF
2018 · W2DET @ SF2730SF
2015 · W16SF @ DET1732DET
2011 · W6SF @ DET2519SF
2009 · W16DET @ SF620SF
2008 · W3DET @ SF1331SF

Box score

Individual performances

Lions

Passing

PlayerC/AttYdsTDINT
Matthew Stafford19/3223011

Rushing

PlayerCarYdsAvgTD
Kevin Smith16533.30
Joique Bell6142.30
Matthew Stafford2105.00
Nate Burleson252.50

49ers

Passing

PlayerC/AttYdsTDINT
Alex Smith20/3122620

Rushing

PlayerCarYdsAvgTD
Frank Gore17895.21
Mario Manningham12929.00
Kendall Hunter5234.60
Alex Smith471.80

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 +73.6%6.6%7.5%3.2%4.9%3.2%2.9%

Positive margins favour 49ers; negative favour Lions.

Half-point at risk

4.89%

outcomes that flip if the line moves 0.5

Model home win

60.4%

Expected total

43.1est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+2.97
  • Home-field advantage+2.49
  • Quarterback adjustment-1.22
  • Rest differential0.00
  • Expected margin+4.24