2021 · Week 17

Final

Lions

Detroit

QB Tim Boyle

29·51

Seahawks

Seattle

QB Russell Wilson

Lumen Field · outdoors · fieldturf · 37°F · wind 0mph

Closing spread

SEA -8.5

Total

41.5

Model margin

+3.5est.

SEA perspective

Push chance

None

half-point line — cannot push

Win probability

  • Seahawks
  • Lions

How each play moved the game.

Seahawks 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 mapSeahawks
  • -0.061EPA / play+0.042
  • 42.1%Success rate43.8%
  • -0.022EPA / dropback+0.053
  • -0.123EPA / rush+0.026
  • 9.0%Explosive rate10.1%
  • -0.05CPOE+4.08
  • 34.7%Third-down rate37.3%
  • 65.7%Red-zone TD rate69.7%
  • 1.73Points / drive2.12
  • 2.1%Turnover rate1.3%

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 9–3 since 1999

Meetings average 52.1 points. SEA are 7-5 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2024 · W4SEA @ DET2942DET
2023 · W2SEA @ DET3731SEA
2022 · W4SEA @ DET4845SEA
2018 · W8SEA @ DET2814SEA
2016 · playoffsDET @ SEA626SEA
2015 · W4DET @ SEA1013SEA
2012 · W8SEA @ DET2428DET
2009 · W9DET @ SEA2032SEA

Box score

Individual performances

Lions

Passing

PlayerC/AttYdsTDINT
Tim Boyle22/3726223

Rushing

PlayerCarYdsAvgTD
D'Andre Swift4328.00
Amon-Ra St. Brown22311.51
Jamaal Williams11222.01
Tim Boyle11414.00
Craig Reynolds441.00

Seahawks

Passing

PlayerC/AttYdsTDINT
Russell Wilson20/2923640

Rushing

PlayerCarYdsAvgTD
Rashaad Penny251706.82
Dee Eskridge13030.00
Travis Homer6274.50
Russell Wilson6244.00
Tyler Lockett177.00
DK Metcalf166.00
DeeJay Dallas111.00

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 +8.56.8%7.5%3.1%4.8%3.1%2.8%

Positive margins favour Seahawks; negative favour Lions.

Half-point at risk

1.24%

outcomes that flip if the line moves 0.5

Model home win

58.4%

Expected total

45.5est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+3.13
  • Home-field advantage+1.71
  • Quarterback adjustment-1.37
  • Rest differential0.00
  • Expected margin+3.47