Boston Red Sox vs Seattle Mariners
Monday, August 31, 2026 · 22:45 UTC
Boston Red Sox host Seattle Mariners in MLB on Monday, August 31, 2026, starting at 22:45 UTC. Here is how the two teams stack up — the head-to-head history, current form and the latest bookmaker odds — ahead of the BetEX AI verdict on this game.
Head-to-head record
These two sides have met 10 times in our head-to-head records, with 5 wins for Boston Red Sox against 5 for Seattle Mariners. Historically this fixture could hardly be more even. Meetings between the two average 9.3 runs per game. Their most recent meetings on record: Boston Red Sox 3-2 Seattle Mariners (2024-07-31); Boston Red Sox 6-10 Seattle Mariners (2024-07-30); Boston Red Sox 14-7 Seattle Mariners (2024-07-29).
| Date | Home | Score | Away |
|---|---|---|---|
| 2024-07-31 | Boston Red Sox | 3-2 | Seattle Mariners |
| 2024-07-30 | Boston Red Sox | 6-10 | Seattle Mariners |
| 2024-07-29 | Boston Red Sox | 14-7 | Seattle Mariners |
| 2024-03-31 | Seattle Mariners | 1-5 | Boston Red Sox |
| 2024-03-31 | Seattle Mariners | 4-3 | Boston Red Sox |
Team statistics
Boston Red Sox carry an Elo rating of 1545 in our model, and have won 70% of their recent games. Seattle Mariners carry an Elo rating of 1472 in our model, and have won 60% of their recent games.
Boston Red Sox
| Recent form | WWWWLWWLWL |
|---|---|
| Win rate | 70% |
| Elo rating | 1545 |
| Avg scored (recent) | 5.5 |
| Avg conceded (recent) | 4 |
Seattle Mariners
| Recent form | WLWWLWLWLW |
|---|---|
| Win rate | 60% |
| Elo rating | 1472 |
| Avg scored (recent) | 5.3 |
| Avg conceded (recent) | 8.1 |
🤖 The BetEX AI verdict on Boston Red Sox vs Seattle Mariners
Members see what our model ensemble makes of this game:
- AI pick & win probabilities for every outcome
- Model confidence score
- Key factors behind the call
- Value-bet detection against the market odds
How BetEX AI analyses this fixture
BetEX AI runs every fixture on this page through an ensemble of statistical models — Elo-style team ratings, scoring-rate (lambda) models and head-to-head history — refreshed daily from live competition data. The ensemble produces a win probability for each outcome, a confidence score, and flags games where the model's probability disagrees with the bookmaker line by enough to matter. Those outputs are reserved for members; everything above comes from the same underlying match data.
Predictions and statistics are for informational purposes only and are no guarantee of results. Please bet responsibly — never wager more than you can afford to lose. 18+ only.