Mariners vs. Phillies prediction: Philadelphia predicted to win Tuesday's MLB matchup [8/19/2025]

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

The Phillies will send Cristopher Sánchez (11-4, 2.45 ERA) to the mound, pitting him against Bryce Miller (2-5, 5.73 ERA) for the Mariners.

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

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

Phillies vs. Mariners prediction: Who will win, cover the run line?

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

Our independent predictive model currently gives the Phillies a 64% chance of defeating the Mariners.

According to our model, the Mariners (+1.5) have a 54% chance of covering the run line, while the over/under total of 8.5 runs has a 51% chance of going over.

Mariners vs. Phillies odds [8/19/2025]

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

Bet Type	Mariners	Phillies
Run Line	+1.5 (-120)	-1.5 (+104)
Moneyline	+166	-195
Total	o8.5 (+102)	u8.5 (-119)

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 biggest edge in today's Mariners vs. Phillies matchup is on the run line.

Our expert predictions, aligned with the latest odds, reveal the best MLB picks and MLB best bets for every game throughout the season.

Unlimited access to our full suite of picks, including this one, is available via Dimers Pro.

Calling Our Shot's free MLB picks

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Mariners vs. Phillies game-day updates and essential details

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

• Who: Seattle Mariners vs. Philadelphia Phillies
• Date: Tuesday, August 19, 2025
• Time: 6:45PM ET/3:45PM PT
• Venue: Citizens Bank Park

Dimers.com's in-depth preview of Tuesday'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 64% win probability, will likely beat the Mariners on Tuesday.

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 drawn 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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