2023 · Week 15 · Division

Final

49ers

San Francisco

QB Brock Purdy

45·29

Cardinals

Arizona

QB Kyler Murray

State Farm Stadium · open · grass

Closing spread

SF -12.5

Total

48

Model margin

-2.2est.

ARI perspective

Push chance

None

half-point line — cannot push

Win probability

  • Cardinals
  • 49ers

How each play moved the game.

Cardinals 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.

49ersedge mapCardinals
  • +0.179EPA / play-0.055
  • 51.6%Success rate41.0%
  • +0.298EPA / dropback-0.082
  • +0.034EPA / rush-0.014
  • 13.8%Explosive rate9.3%
  • +4.51CPOE-2.77
  • 48.1%Third-down rate39.6%
  • 70.4%Red-zone TD rate62.4%
  • 2.69Points / drive1.88
  • 1.7%Turnover rate1.5%

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 28–22 since 1999

SF have won 2 straight. Meetings average 44.8 points. ARI are 23-26-1 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2025 · W11SF @ ARI4122SF
2025 · W3ARI @ SF1516SF
2024 · W18SF @ ARI2447ARI
2024 · W5ARI @ SF2423ARI
2023 · W4ARI @ SF1635SF
2022 · W18ARI @ SF1338SF
2022 · W11SF @ ARI3810SF
2021 · W9ARI @ SF3117ARI

Box score

Individual performances

49ers

Passing

PlayerC/AttYdsTDINT
Brock Purdy16/2524240
Sam Darnold2/32000

Rushing

PlayerCarYdsAvgTD
Christian McCaffrey181156.41
Jordan Mason5204.00
Deebo Samuel Sr.11111.00
Sam Darnold2-2-1.00

Cardinals

Passing

PlayerC/AttYdsTDINT
Kyler Murray26/3921112

Rushing

PlayerCarYdsAvgTD
James Conner14866.11
Emari Demercado46416.01
Kyler Murray6498.20
Michael Carter3279.00
Greg Dortch155.00
Rondale Moore133.00
Clayton Tune100.00

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 -12.53.0%4.7%3.1%7.5%7.0%

Positive margins favour Cardinals; negative favour 49ers.

Half-point at risk

1.15%

outcomes that flip if the line moves 0.5

Model home win

43.1%

Expected total

48.1est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)-4.51
  • Home-field advantage+1.71
  • Quarterback adjustment0.00
  • Rest differential+0.56
  • Expected margin-2.24