2021 · Week 4 · Division

Final

Seahawks

Seattle

QB Russell Wilson

28·21

49ers

San Francisco

QB Jimmy Garoppolo

Levi's Stadium · outdoors · grass · 80°F · wind 0mph

Closing spread

SF -2.5

Total

52

Model margin

+1.7est.

SF perspective

Push chance

None

half-point line — cannot push

Availability

The injury report

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

Seahawks

49ers

Win probability

  • 49ers
  • Seahawks

How each play moved the game.

49ers winsSeahawks wins

Matchup

Where the edges are

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

Seahawksedge map49ers
  • +0.042EPA / play+0.085
  • 43.8%Success rate45.5%
  • +0.053EPA / dropback+0.174
  • +0.026EPA / rush-0.024
  • 10.1%Explosive rate10.9%
  • +4.08CPOE+1.73
  • 37.3%Third-down rate40.6%
  • 69.7%Red-zone TD rate74.8%
  • 2.12Points / drive2.30
  • 1.3%Turnover rate2.0%

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 31–21 since 1999

Meetings average 42.6 points. SF are 22-29-1 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2026 · W5SF @ SEA32–29SF
2025 · playoffsSF @ SEA6–41SEA
2025 · W18SEA @ SF13–3SEA
2025 · W1SF @ SEA17–13SF
2024 · W11SEA @ SF20–17SEA
2024 · W6SF @ SEA36–24SF
2023 · W14SEA @ SF16–28SF
2023 · W12SF @ SEA31–13SF

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
BallStartPlaysYardsResultSEA–SF
SEAQ1 15:0036Punt0–0
SFQ1 13:48881Touchdown0–7
SEAQ1 9:353-4Punt0–7
SFQ1 7:17518Turnover0–7
SEAQ1 5:203-5Punt0–7
SFQ1 3:38868Missed field goal0–7
SEAQ2 13:313-5Punt0–7
SFQ2 11:09827Punt0–7
SEAQ2 7:5231Punt0–7
SFQ2 6:2634Punt0–7
SEAQ2 4:49680Touchdown7–7
SFQ2 1:54521Punt7–7
SEAQ2 0:3827End of half7–7
SFQ3 15:00422Punt7–7
SEAQ3 12:14412Punt7–7
SFQ3 9:5736Punt7–7
SEAQ3 8:53766Touchdown14–7
SFQ3 5:2200Touchdown14–7
SEAQ3 5:16214Touchdown21–7
SFQ3 4:26489Touchdown21–13
SEAQ3 2:101253Touchdown28–13
SFQ4 12:0732Punt28–13
SEAQ4 10:3435Punt28–13
SFQ4 9:31829Turnover on downs28–13
SEAQ4 6:1236Punt28–13
SFQ4 4:301690Touchdown28–21
SEAQ4 1:2000End of half28–21

Box score

Individual performances

Seahawks

Passing

PlayerC/AttYdsTDINT
Russell Wilson16/2314920

Rushing

PlayerCarYdsAvgTD
Alex Collins10444.41
Chris Carson13302.30
Russell Wilson4266.51
Travis Homer155.00

Receiving

PlayerRecTgtYdsTD
DK Metcalf48651
Alex Collins22340
Tyler Lockett45240
Freddie Swain34201
Will Dissly2250
Chris Carson1110

49ers

Passing

PlayerC/AttYdsTDINT
Jimmy Garoppolo14/2316511
Trey Lance9/1815720

Rushing

PlayerCarYdsAvgTD
Trey Sermon19894.70
Trey Lance7415.90
Jacques Patrick2126.00
Deebo Samuel Sr.111.00

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 +2.54.1%2.8%7.1%7.5%3.1%4.6%2.9%

Positive margins favour 49ers; negative favour Seahawks.

Half-point at risk

7.49%

outcomes that flip if the line moves 0.5

Model home win

53.7%

Expected total

44.7est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+0.02
  • Home-field advantage+1.71
  • Quarterback adjustment0.00
  • Rest differential0.00
  • Expected margin+1.72