Task Enterprises presentsNFL Intelligence

2025 · Week 1 · Division

Final

49ers

San Francisco

QB Brock Purdy

17·13

Seahawks

Seattle

QB Sam Darnold

Lumen Field · outdoors · fieldturf · 67°F · wind 6mph

Closing spread

SF -2.5

Total

43.5

Model margin

+3.4est.

SEA perspective

Push chance

None

half-point line — cannot push

Win probability

  • Seahawks
  • 49ers

How each play moved the game.

Seahawks 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 mapSeahawks
  • +0.091EPA / play+0.036
  • 48.5%Success rate46.6%
  • +0.175EPA / dropback+0.137
  • -0.033EPA / rush-0.076
  • 8.2%Explosive rate10.7%
  • +5.72CPOE+4.54
  • 50.4%Third-down rate40.9%
  • 65.6%Red-zone TD rate57.0%
  • 2.48Points / drive2.22
  • 2.0%Turnover rate2.5%

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

SEA lead 31–20 since 1999

SEA have won 2 straight. Meetings average 42.2 points. SEA are 29-21-1 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2025 · playoffsSF @ SEA641SEA
2025 · W18SEA @ SF133SEA
2024 · W11SEA @ SF2017SEA
2024 · W6SF @ SEA3624SF
2023 · W14SEA @ SF1628SF
2023 · W12SF @ SEA3113SF
2022 · playoffsSEA @ SF2341SF
2022 · W15SF @ SEA2113SF

Box score

Individual performances

49ers

Passing

PlayerC/AttYdsTDINT
Brock Purdy26/3527722

Rushing

PlayerCarYdsAvgTD
Christian McCaffrey22693.10
Brian Robinson9333.70
Brock Purdy5173.40

Seahawks

Passing

PlayerC/AttYdsTDINT
Sam Darnold16/2315000

Rushing

PlayerCarYdsAvgTD
Zach Charbonnet12473.91
Kenneth Walker III10202.00
Sam Darnold2147.00
AJ Barner122.00
Jalen Milroe111.00

Receiving

PlayerRecTgtYdsTD
Jaxon Smith-Njigba9131240
Cooper Kupp23150
Elijah Arroyo1170
Kenneth Walker III3340
AJ Barner1200

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 -2.53.8%6.8%7.5%3.1%4.8%3.1%

Positive margins favour Seahawks; negative favour 49ers.

Half-point at risk

1.99%

outcomes that flip if the line moves 0.5

Model home win

58.2%

Expected total

44.5est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+1.71
  • Home-field advantage+1.71
  • Quarterback adjustment0.00
  • Rest differential0.00
  • Expected margin+3.41