Boston Red Sox vs Seattle Mariners Odds & Lines
Best available MLB odds for Boston Red Sox at Seattle Mariners, Sat, 20 Jun 2026 02:11:00 GMT.
| Team | Moneyline | Spread |
|---|---|---|
| Boston Red Sox | +122 | +1.5 (-190) |
| Seattle Mariners | -124 | -1.5 (+181) |
Total (O/U): +7 — Over +102 / Under -125 (coolbet)
Odds shown are the best available across sportsbooks and update in real time. Get alerts on line movement and sharp money with the Bettor Alerts app.