Mariners vs. Phillies prediction: Philadelphia predicted to win Monday's MLB matchup [8/18/2025]

The Philadelphia Phillies will face the Seattle Mariners in MLB action at Citizens Bank Park on Monday, commencing at 6:45PM ET.

Ranger Suárez (8-6, 3.28 ERA) will be the starting pitcher for the Phillies, while the Mariners have opted for Logan Gilbert (3-4, 3.31 ERA).

Based on updated simulations, Dimers' advanced MLB model projects the Phillies as the most likely winner of today's game.

For further insights into Monday's matchup, including best bets and picks, visit our interactive Mariners vs. Phillies predictions page.

Phillies vs. Mariners prediction: Who will win?

Using innovative machine learning and data, we have simulated the result of Monday's MLB matchup between the Mariners and Phillies 10,000 times as part of our MLB predictions coverage.

Our leading predictive model gives the Phillies a 52% chance of defeating the Mariners.

According to our model, the 7.5-run over/under has a 53% chance of going over.

Mariners vs. Phillies odds [8/18/2025]

We have researched the best MLB odds in America for this game, which are listed here:

Bet Type	Mariners	Phillies
Moneyline	-101	-112
Total	o7.5 (-110)	u7.5 (-106)

All odds are correct at the time of publication and are subject to change.

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Mariners vs. Phillies picks and best bets

Our model's strongest edge in today's Mariners vs. Phillies matchup is on the moneyline.

Our expert predictions, matched against 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 best bets today

Calling Our Shot produces daily MLB betting content, including the latest predictions featured below.

Mariners vs. Phillies game-day updates and essential details

Monday's MLB game between the Phillies and Mariners at Citizens Bank Park is scheduled to start at 6:45PM ET.

• Who: Seattle Mariners vs. Philadelphia Phillies
• Date: Monday, August 18, 2025
• Time: 6:45PM ET/3:45PM PT
• Venue: Citizens Bank Park

Dimers.com's full preview of Monday's Mariners vs. Phillies matchup includes our prediction, picks and the latest betting odds.

Before making any Mariners vs. Phillies picks, be sure to check out the latest MLB predictions and betting advice from Dimers Pro.

Conclusion

We predict the Phillies, with a 52% win probability, will likely beat the Mariners on Monday.

AI and automation have enhanced this article to quickly deliver accurate Mariners vs. Phillies insights, with human oversight ensuring high editorial quality. Our predictions are based on 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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