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NFL · Week 3 · 2026 Final Division game

Cardinals at 49ers

Sun, 27 Sep 2026 · 20:05 UTC
Arizona Cardinals logo
Arizona
Cardinals
1-1 · L1
30
@
San Francisco 49ers logo
San Francisco
49ers
2-0 · W2
36
San Francisco 49ers to win 77% win probability · projected 19–29 · Strong

Result & Grading

Published before kickoff, graded after. No edits, no quiet deletions.

Final score
30–36
ARI at SF
Our pick
SF ✓
Correct
Margin error
3.7
points from our projection
Against the spread
Missed ✗
vs line of SF −8.5

Pre-Game Win Probabilities

From the engine's power ratings, adjusted for home field and rest, then mapped through the margin distribution. Not a blend of the market — this is our own number.

ARI 23%
SF 77%
Projected score
19–29
ARI at SF
Projected margin
+9.7
home perspective
Projected total
47.9
combined points
Confidence
Strong
published before kickoff

Engine vs The Line

We agree with the market on the winner. The margins may still differ.

8th Day Engine
San Francisco 49ers
by 9.7 points · total 47.9
Closing line
San Francisco 49ers
by 8.5 points · total 47.5

Matchup Facts

Venue and rest come from the schedule feed and feed directly into the model; surface and weather are context we show but don't yet model.

Venue
Levi's Stadium
Roof
Outdoors
Surface
Grass
Temperature
70°F
Wind
4 mph
Rest · ARI
7 days
Rest · SF
7 days
QB · ARI
Jacoby Brissett
QB · SF
Brock Purdy

Recent Form

Last five completed games this season, most recent first.

Arizona Cardinals

L vs SEA 7–31
W @ LAC 26–14

San Francisco 49ers

W vs MIA 35–13
W @ LAR 27–7

Season Scoring

Points per game either side of the ball, 2026 season to date.

ARI · scored
16.5
per game · 2 played
ARI · allowed
22.5
per game
SF · scored
31.0
per game · 2 played
SF · allowed
10.0
per game

How The Model Sees It

Our rating has San Francisco 49ers as the stronger side by 208 rating points, which on its own is worth about 8.3 points on the scoreboard (ARI 1,414, SF 1,622).

Home field adds 1.4 points to SF — a measured figure from our backtest, not the traditional three, because home advantage in the modern NFL is considerably smaller than it used to be.

That lands on a projected margin of +9.7, and running that through the historical spread of actual results against projections gives San Francisco 49ers at 77%.

The closing line agrees on the winner, making San Francisco 49ers favourite by 8.5 against our 9.7.

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