Red Sox vs. Mariners Prediction: Boston Predicted to Win Wednesday's MLB Matchup [6/18/2025]

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.

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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
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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.

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