MLB · 2026-09-05
Arizona Diamondbacks vs Houston Astros
Daikin Park
Arizona Diamondbacks
74-68
VS
Houston Astros
73-69
55%
Arizona Diamondbacks win probability · -103
Tale of the tape
55%Win probability45%
0.521Win %0.514
-3Run differential-36
Lean-103 · BetOnline.ag
Arizona Diamondbacks to win
Our model makes Arizona Diamondbacks 55% to win, but the price only implies 51% — that 4-point gap is where the value is.
The model lands on Arizona Diamondbacks here, giving them a 55% chance to come out on top against Houston Astros. A modest 55% lean — fine as a small play or a parlay leg. Pitching matchup: Ethan Pecko (6.23 ERA) vs Brandon Pfaadt (3.49 ERA).
Why we lean this way
- Form & record: Houston Astros sit 73-69 (0.514), Arizona Diamondbacks 74-68 (0.521).
- Last 10: Houston Astros 7-3 (W3), Arizona Diamondbacks 5-5 (L1). Hot streaks move these lines fast.
- Run differential: Houston Astros -36, Arizona Diamondbacks -3 on the year — the most honest measure of how good a team actually is, beyond their record.
- On the mound: Houston Astros hand the ball to Ethan Pecko; Arizona Diamondbacks counter with Brandon Pfaadt. Starting pitching swings a baseball game more than any other factor.
- Home field: worth about +3.5% to Houston Astros in our model.
The verdict
Where we land: Arizona Diamondbacks, a slight lean. A 55% edge is worth backing, but variance is real — keep stakes reasonable.
Logged to our public track record and graded after the final. We analyze; we never take wagers. 21+.
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