Task Enterprises presentsNFL Intelligence

2021 · Week 18 · Division

Final

Seahawks

Seattle

QB Russell Wilson

38·30

Cardinals

Arizona

QB Kyler Murray

State Farm Stadium · open · grass

Closing spread

ARI -5.5

Total

48

Model margin

+0.7est.

ARI perspective

Push chance

None

half-point line — cannot push

Win probability

  • Cardinals
  • Seahawks

How each play moved the game.

Cardinals 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 mapCardinals
  • +0.042EPA / play+0.079
  • 43.8%Success rate46.8%
  • +0.053EPA / dropback+0.154
  • +0.026EPA / rush-0.037
  • 10.1%Explosive rate9.4%
  • +4.08CPOE+4.19
  • 37.3%Third-down rate45.2%
  • 69.7%Red-zone TD rate62.3%
  • 2.12Points / drive2.37
  • 1.3%Turnover rate1.2%

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 30–17–1 since 1999

SEA have won 9 straight. Meetings average 43.5 points. ARI are 21-26-1 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2025 · W10ARI @ SEA2244SEA
2025 · W4SEA @ ARI2320SEA
2024 · W14SEA @ ARI3018SEA
2024 · W12ARI @ SEA616SEA
2023 · W18SEA @ ARI2120SEA
2023 · W7ARI @ SEA1020SEA
2022 · W9SEA @ ARI3121SEA
2022 · W6ARI @ SEA919SEA

Box score

Individual performances

Seahawks

Passing

PlayerC/AttYdsTDINT
Russell Wilson15/2623831

Rushing

PlayerCarYdsAvgTD
Rashaad Penny231908.31
Russell Wilson451.31
Travis Homer144.00
Tyler Lockett122.00
DeeJay Dallas111.00

Receiving

PlayerRecTgtYdsTD
Tyler Lockett55982
DK Metcalf511580
Freddie Swain11251
Travis Homer13230
Gerald Everett13200
Colby Parkinson23140

Cardinals

Passing

PlayerC/AttYdsTDINT
Kyler Murray28/3924010

Rushing

PlayerCarYdsAvgTD
James Conner15523.51
Kyler Murray5357.00
Eno Benjamin7314.40

Receiving

PlayerRecTgtYdsTD
Zach Ertz710840
Christian Kirk23430
James Conner66411
Eno Benjamin44250
A.J. Green49230
Antoine Wesley24170
Greg Dortch2250
Jonathan Ward1120

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 +5.54.3%2.9%7.3%7.4%3.0%4.5%2.8%

Positive margins favour Cardinals; negative favour Seahawks.

Half-point at risk

2.98%

outcomes that flip if the line moves 0.5

Model home win

51.0%

Expected total

44.5est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)-1.00
  • Home-field advantage+1.71
  • Quarterback adjustment0.00
  • Rest differential0.00
  • Expected margin+0.71