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Seattle Mariners vs Houston Astros Prediction

Prediction pending — the engine scores this game once the probable starters are posted

Mariners 56-63 · L4
@
Astros 61-59 · W1
Sat 15 Aug 2026 · 01:10 UK (8:10 PM ET)

Win Probabilities

The engine hasn’t scored this game yet — predictions are written once the probable starters are posted, usually 24–48 hours out. This page fills in on its own when they land.

See the current slate →

Starting Pitchers

Probable starters haven’t been announced. They usually post 24–48 hours before first pitch and appear here automatically.

Recent Form

Mariners L L W W L W L L L L 3-7 last 10
Astros W W W L W L W L L W 6-4 last 10

Oldest on the left, most recent on the right — hover any result for the opponent and score.

Team Stats · 2026 Season

MarinersAstros
Record 56-63 61-59
Win % .471 .508
Division AL West AL West
Division rank 3rd 1st
Games back 4.5 -
Last 10 3-7 6-4
Streak L4 W1
Home record 33-29 30-29
Away record 23-34 31-30
Runs scored/gm 3.88 4.63
Runs allowed/gm 4.04 4.84
Run differential -19 -25

How The Model Sees It

Mariners come in 3-7 over their last 10, scoring 2.40 and conceding 5.00 runs a game. Astros are 6-4 in their last 10 at 5.10 scored and 3.50 allowed. Astros arrive in the better shape, though ten games is a short window and form is weighted lightly here.

Neither probable starter has been announced, so this projection leans on team strength, bullpen quality and run environment rather than the biggest input in the sport. It will move once the pitchers are posted, usually 24 to 48 hours out — this page updates on its own when they land.

Season run differential reads -19 for Mariners and -25 for Astros. Per game that is 3.88 scored against 4.04 allowed, versus 4.63 and 4.84. Close enough that season quality is not the deciding input here — the pitching matchup does more work than the standings.

Astros are 30-29 at home, Mariners 23-34 on the road. Home advantage in baseball is real but small — historically worth something near 54%, not the lopsided edge it carries elsewhere — so the splits inform this projection without dominating it. The ballpark matters more than the venue: run environment varies more between parks than between lineups.

This pick is published before first pitch and will be graded on this page once the game is final, whether it lands or misses.

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Modelled probabilities from a deterministic engine, not betting advice. Every pick is published before the game and graded after it on the accuracy page.