HomeMLB › Boston Red Sox vs Seattle Mariners

Boston Red Sox vs Seattle Mariners — 2026-06-21

4:10 PM ETT-Mobile ParkSP: Payton Tolle vs Logan GilbertMLBFINAL
Recap

Seattle Mariners won 3-1 over Boston Red Sox on 2026-06-21. Margin of 2 runs.

Model prediction (pre-game)

Boston Red Sox
45%
Seattle Mariners
55%
Projected
Sox 4.4 - 4.5 Mariners

What our model sees

Our MLB model rates Seattle Mariners as the more likely winner at 55%. The driver is a 9-point Elo gap (1491 vs 1482) reflecting roster strength, recent results, and quality-of-opposition adjustments. Boston Red Sox would need above-baseline variance to flip the script. This page auto-updates with the final score and our recap once the game ends.

Recent form (last 10)

Boston Red Sox
No recent games on file.
Seattle Mariners
No recent games on file.

What we said before the game

Pre-game model: Boston Red Sox 45% / Seattle Mariners 55%. Projected Boston Red Sox 4.4 — 4.5 Seattle Mariners.

Our MLB model rates Seattle Mariners as the more likely winner at 55%. The driver is a 9-point Elo gap (1491 vs 1482) reflecting roster strength, recent results, and quality-of-opposition adjustments. Boston Red Sox would need above-baseline variance to flip the script. This page auto-updates with the final score and our recap once the game ends.

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