I got a baby's brain and an old man's heart "I'm Eighteen" - Alice Cooper
Alaska Airlines Arena · December 19, 2021
Betting Lines
Spread WASH -4.5 Home covered
O/U 142.0 Under
Model Predictions
Spread Total WASH win
Actual WASH +8 120 Won
Massey WASH -1.9 (+6.1) — —
Massey Totals — 145.0 (-25.0) —
Bradley-Terry — — 74% ✓
Weighted B-T — — 74% ✓
Baseline Plus ML WASH -0.9 (+7.1) 149.4 (-29.4) 60% ✓
Efficiency Plus ML ★ WASH -3.0 (+5.0) 146.5 (-26.5) 63% ✓
Baseline Tuned ML WASH -2.0 (+6.0) 147.0 (-27.0) 61% ✓
Baseline ML WASH -1.1 (+6.9) 149.9 (-29.9) 61% ✓

Predictions use only rating snapshots dated before tip-off. Parenthesised values are the signed error vs. the actual result. Model performance →

Last 5 Meetings

Dec 20, 2025 SEA 70 – 66 WASH
Dec 24, 2024 SEA 79 – 70 WASH
Dec 18, 2023 WASH 100 – 99 SEA
Nov 29, 2022 WASH 77 – 66 SEA
Dec 10, 2020 WASH 73 – 41 SEA

Team Comparison

Record & Ratings WASH SEA
Overall 17-15 23-9
Conference 11-9 14-4
Home 11-6 17-2
Away 3-7 6-6
Neutral 3-2 0-1
Last 5 2-3 3-2
Streak L1 L1
Avg Pts For 70.6 73.5
Avg Pts Against 72.3 67.5
Massey -2.8 (#227) -0.1 (#185)
Bradley-Terry -0.31 (#211) -0.48 (#224)
W. Bradley-Terry -0.42 (#213) -0.46 (#215)
RPI 0.461 (#242) 0.427 (#291)
Shooting & Four Factors WASH SEA
FG% 39.3% 43.3%
3PT% 31.6% 36.2%
REB / G 34.6 35.7
OREB / G 11.5 10.0
AST / TO 0.77 1.27
Four Factors — Offense
eFG% 44.7% 51.8%
TOV% 17.0% 16.2%
ORB% 28.4% 27.5%
FT Rate 25.8% 18.5%
Four Factors — Defense
Opp eFG% 48.1% 50.0%
Opp TOV% 23.4% 22.1%
DRB% 64.9% 75.8%
Opp FT Rate 29.5% 27.2%

Game Analysis

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