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Home/MLB Schedule/Mariners @ Red Sox

Mariners 8, Red Sox 9 — Aug 31, 2026 Recap

Boston Red Sox beat Seattle Mariners 8-9 on Aug 31, 2026.

Played 18 days ago

Game FAQ — score, spread, and total

Who won Seattle Mariners vs Boston Red Sox on Aug 31, 2026?

Boston Red Sox won 8-9 on Aug 31, 2026.

See methodology for grading rules and ROI calculation.

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BOS