Seattle Mariners vs Boston Red Sox prediction
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Last line before the game
| Moneyline | Seattle Mariners +101 · Boston Red Sox -122 |
| Spread | Boston Red Sox -1.5 |
| Total | 7 |
Latest line across Bovada, FanDuel.
Matchup
Seattle Mariners visited Boston Red Sox at Fenway Park on Tuesday, September 1, 2026 at 5:45 PM CT.
On the moneyline the market favors Boston Red Sox at -122, with Seattle Mariners at +101 — once the bookmaker margin is removed, that prices Boston Red Sox at about 52% to win.
The spread has Boston Red Sox at -1.5 and Seattle Mariners at +1.5.
The game total is 7.
The total has moved down from 7.5 since we first tracked it.
Final: Seattle Mariners 9, Boston Red Sox 6. Seattle Mariners won.
Our MLB record
| All-time | 280-200 (58%) · 1 push |
| This season (since Feb 1, 2026) | 280-200 (58%) |
| Last 14 days | no settled picks |
Win rate and record of every MLB pick sent to members on the current model, graded after the final whistle. Full track record →