Task Enterprises presentsNFL Intelligence

2023 · Week 4 · Division

Final

Cardinals

Arizona

QB Joshua Dobbs

16·35

49ers

San Francisco

QB Brock Purdy

Levi's Stadium · outdoors · grass · 75°F · wind 9mph

Closing spread

SF -15

Total

44

Model margin

+9.3est.

SF perspective

Push chance

1.5%est.

Win probability

  • 49ers
  • Cardinals

How each play moved the game.

49ers winsCardinals wins

Matchup

Where the edges are

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

Cardinalsedge map49ers
  • -0.055EPA / play+0.179
  • 41.0%Success rate51.6%
  • -0.082EPA / dropback+0.298
  • -0.014EPA / rush+0.034
  • 9.3%Explosive rate13.8%
  • -2.77CPOE+4.51
  • 39.6%Third-down rate48.1%
  • 62.4%Red-zone TD rate70.4%
  • 1.88Points / drive2.69
  • 1.5%Turnover rate1.7%

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. SF are 26-23-1 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2025 · W11SF @ ARI4122SF
2025 · W3ARI @ SF1516SF
2024 · W18SF @ ARI2447ARI
2024 · W5ARI @ SF2423ARI
2023 · W15SF @ ARI4529SF
2022 · W18ARI @ SF1338SF
2022 · W11SF @ ARI3810SF
2021 · W9ARI @ SF3117ARI

Box score

Individual performances

Cardinals

Passing

PlayerC/AttYdsTDINT
Joshua Dobbs28/4126520

Rushing

PlayerCarYdsAvgTD
James Conner11524.70
Joshua Dobbs12484.00
Emari Demercado133.00

49ers

Passing

PlayerC/AttYdsTDINT
Brock Purdy20/2128310

Rushing

PlayerCarYdsAvgTD
Christian McCaffrey201065.33
Jordan Mason3103.30
Deebo Samuel Sr.362.00
Brock Purdy200.01
Sam Darnold1-1-1.00

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 +156.8%3.1%4.9%3.5%3.5%2.9%2.5%

Positive margins favour 49ers; negative favour Cardinals.

Half-point at risk

1.47%

outcomes that flip if the line moves 0.5

Model home win

73.0%

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 adjustment+2.89
  • Rest differential+0.24
  • Expected margin+9.34