Seattle Mariners vs Boston Red Sox
Head-to-head history, form, and our model’s take on this MLB matchup.
Head-to-head
0
SEA
—
3
BOS
Last 3 meetings
Jun 21, 2026SEABOS NaN–NaN SEABOS
Jun 20, 2026SEABOS NaN–NaN SEABOS
Jun 19, 2026SEABOS NaN–NaN SEABOS
Trend: BOS leads the series 3–0 in the last 3 meetings.
Team hubs: Seattle Mariners · Boston Red Sox. See all MLB games and our methodology.
Data sourced from ESPN and may be delayed or estimated. Not affiliated with ESPN, any league, or any team. Predictions are informational only — not betting advice.