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Seattle Mariners — Predictions Today

American League · American League West · T-Mobile Park · 2026-10-26

How the Seattle Mariners prediction is built

On every Seattle Mariners game day, FullCountProps simulates the full matchup 2,000 times — the projected SEA lineup against the opposing probable starter, bullpen behind him, in that day's ballpark. Out of those runs come a win probability for each side, a most-likely final score, and a projected total. No gut picks and no narrative adjustments; the inputs are documented on the methodology page.

No Seattle Mariners game today — the prediction refreshes the morning of their next game day.
No SEA lineup on today's board — bats appear once a lineup is confirmed or projected on a game day.

Kept honest

Model outputs are captured before first pitch and graded after the final out — wins and misses alike live on the accuracy page, never edited after the fact.

See today's win probabilities →
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Model-based projections and sportsbook odds shown for informational purposes only. Not betting advice. Not a sportsbook. 21+. If you or someone you know has a gambling problem, call 1-800-GAMBLER.