MLB- More Betting
Red Sox vs. Mariners Prediction: Boston Predicted to Win Wednesday's MLB Matchup [6/18/2025]
Our expert prediction for Wednesday's Boston Red Sox vs Seattle Mariners matchup.

MLB action continues on Wednesday at 4:10PM ET as the Boston Red Sox take on the Seattle Mariners at T-Mobile Park.
Luis Castillo (4-4, 3.29 ERA) will start for the Mariners, up against Garrett Crochet (6-4, 2.24 ERA) for the Red Sox.
Based on updated simulation results, Dimers' advanced MLB model (see Dimers Pro for full access) predicts the Red Sox as the most likely winner of today's game.
"Our team has simulated the outcome of Wednesday's Boston-Seattle game 10,000 times," said Dimers' Chief Content Officer, Nick Slade.
"With the latest updates and numerous other variables, we estimate the Red Sox' chance of winning at 51%, with the Mariners at 49%."
For expanded analysis of Wednesday's matchup, including best bets and picks, visit our interactive Red Sox vs. Mariners predictions page.
Mariners vs. Red Sox Prediction: Who Will Win, Cover the Run Line?
Using innovative machine learning and data, we have simulated the result of Wednesday's MLB game between the Red Sox and Mariners 10,000 times as part of our MLB predictions coverage.
Our famous predictive model gives the Red Sox a 51% chance of defeating the Mariners.
According to our model, the Mariners (+1.5) have a 64% chance of covering the run line, while the 6.5-run over/under has a 53% chance of going over.
Red Sox vs. Mariners Odds [6/18/2025]
We have researched the best MLB odds in America for this game, which are listed here:
Bet Type | Red Sox | Mariners |
---|---|---|
Run Line | -1.5 (+155) | +1.5 (-176) |
Moneyline | -113 | +108 |
Total | o6.5 (-110) | u6.5 (-102) |
All odds are correct at the time of publication and are subject to change.
Make the most of your sports betting experience by exploring our comprehensive list of US betting apps, and the latest sportsbooks in 2025, ensuring you never miss a top new-user deal.
Red Sox vs. Mariners Picks and Best Bets
Our model's biggest edge in today's Red Sox vs. Mariners matchup is on the run line.
Our expert predictions, aligned with the current odds, reveal the best MLB picks and MLB best bets for every game throughout the season.
Unlimited access to our complete set of picks, including this one, is available via Dimers Pro.
Calling Our Shot's Free ⚾️ Picks
Calling Our Shot produces daily MLB betting content, including the free picks featured below.
Red Sox vs. Mariners Game-Day Updates and Essential Details
Wednesday's MLB game between the Mariners and Red Sox at T-Mobile Park is scheduled to start at 4:10PM ET.
- Who: Boston Red Sox vs. Seattle Mariners
- Date: Wednesday, June 18, 2025
- Time: 4:10PM ET/1:10PM PT
- Venue: T-Mobile Park
Dimers.com's comprehensive preview of Wednesday's Red Sox vs. Mariners matchup includes our prediction, picks and the latest betting odds.
Before making any Boston vs. Seattle picks, be sure to check out the latest MLB predictions and betting advice from Dimers Pro.
Key MLB Betting Guides and Insights
- Explore how MLB odds work and dive into MLB live betting strategies
- Understand where sports odds come from and how they're applied to baseball matchups
- Learn how to use Dimers Futures to find long-term betting opportunities as the World Series draws closer
- Stay informed with where online sports betting is currently legal and which betting sites are safest to use
- Boost your success with strategies to win at sports betting and explore why MLB is one of the best leagues to bet on
Conclusion
We predict the Red Sox, with a 51% win probability, will likely beat the Mariners on Wednesday.
AI and automation have enhanced this article to quickly deliver accurate Red Sox vs. Mariners insights, with human oversight ensuring high editorial quality. Our predictions are sourced from the latest data to help you make informed decisions. For additional resources and advice on responsible gambling, please call 1-800-GAMBLER.
Note: Clicking links to our partners may earn us a referral fee. Learn about how we review products and services.
More on MLB
Stay up-to-date with the latest MLB betting news and MLB parlay picks throughout the season. Plus, our World Series odds offer the most accurate predictions for the World Series, American League, National League and each division.