Week 1 · Wed, 8:20 PM EDT · NBC
New England Patriots at Seattle Seahawks
Lumen Field, Seattle, WA
Market line for comparison: SEA -3.5 · O/U 44.5 (DraftKings). The model never sees this.
Rating inputs
Each starting rating is a weighted blend of five real football inputs, not just wins and losses. Every term below is measured from the 2025 season.
New England Patriots
| Input | Rating | Weight | Contribution |
|---|---|---|---|
Elo from results 14-3 in 2025, opponent-adjusted | 1675 | 80% | 1340.1 |
Scoring strength 490–320 points (+170.0 differential) → 73.3% expected win rate | 1675 | 5% | 83.8 |
Late-season form same replay with the closing 6 weeks counted double | 1694 | 15% | 254.1 |
Offense / defense split 28.8 PPG scored, 18.8 allowed → offense 1645, defense 1605 | 1750 | 0% | 0.0 |
| Blended 2025 rating | 1678.0 | ||
Offseason regression 25% back toward the 1500 league mean | 1633.5 | ||
Roster / QB adjustment No offseason adjustment applied. | 0.0 | ||
| NE 2026 starting rating | 1634 | ||
Seattle Seahawks
| Input | Rating | Weight | Contribution |
|---|---|---|---|
Elo from results 14-3 in 2025, opponent-adjusted | 1755 | 80% | 1404.0 |
Scoring strength 483–292 points (+191.0 differential) → 76.7% expected win rate | 1707 | 5% | 85.4 |
Late-season form same replay with the closing 6 weeks counted double | 1847 | 15% | 277.1 |
Offense / defense split 28.4 PPG scored, 17.2 allowed → offense 1635, defense 1646 | 1781 | 0% | 0.0 |
| Blended 2025 rating | 1766.5 | ||
Offseason regression 25% back toward the 1500 league mean | 1699.9 | ||
Roster / QB adjustment No offseason adjustment applied. | 0.0 | ||
| SEA 2026 starting rating | 1700 | ||
The calculation
Every term the model applies, in order, from both teams' starting ratings to the number on the card.
Win probability
1 / (1 + 10−(96.3 / 400))
63.5% SEA
Model spread
96.3 ÷ 25, rounded to the nearest half point
SEA -4.0
Confidence band
Where the ratings came from
Each rating is the end state of a full 2025 season of Elo updates, regressed toward the league mean for the new season.
- 2025 final rating
- 1675.2
- Regress 25% toward 1500
- −41.7
- 2026 starting rating
- 1633.5
2025 Elo trail
Biggest swings
- W 42–13 vs CAR+58.1
- L 14–21 vs PIT−40.3
- L 13–20 vs LV−36.6
- 2025 final rating
- 1755.1
- Regress 25% toward 1500
- −55.2
- 2026 starting rating
- 1699.9
2025 Elo trail
Biggest swings
- W 31–17 at PIT+54.7
- W 20–12 at JAX+43.0
- W 44–13 vs NO+35.5
Matchup factors
Everything beyond the two base ratings that moved this specific number.
Home field
+30.0 pts
worth 4.1 points of win probability
SEA hosts at Lumen Field. Every host gets the same flat 35 points — the model does not rate crowds individually.
Rest
+0.0 pts
Week 1: both teams come off the same offseason, so there is no rest edge to give.
Analyst override
+0.0 pts
No manual adjustment. The number here is pure model output.
2025 head to head
These teams did not meet in 2025. Past meetings carry no weight in the model anyway — they are already baked into each team's rating.
Strength of schedule
Who each team actually played in 2025, measured by their opponents' current ratings. This is context for reading the ratings — it is not an input to the prediction above, because beating good teams already raises a team's Elo more.
1452
average opponent rating · 32nd toughest of 32
- vs above-average teams
- 3-2
- vs below-average teams
- 11-1
1508
average opponent rating · 14th toughest of 32
- vs above-average teams
- 7-2
- vs below-average teams
- 7-1
What the model does not know
- · Injuries, suspensions and depth-chart changes.
- · Coaching and roster turnover between seasons.
- · Weather, travel distance and short-week fatigue beyond raw rest days.
- · Anything a betting market has priced in since the season ended.