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Read Article Phillies vs. Mariners prediction: Seattle favored to win Tuesday's MLB matchup [8/25/2026]
Updated: | First published:
Written by Jason Bevilacqua, Head of Content and Communities
Get Philadelphia Phillies vs Seattle Mariners predictions for MLB Tuesday.
The Seattle Mariners and Philadelphia Phillies will lock horns in MLB action at T-Mobile Park on Tuesday, starting at 9:40 PM ET.
The Mariners will send George Kirby (8-10, 4.18 ERA) to the mound, up against Aaron Nola (5-9, 5.12 ERA) for the Phillies.
Dimers' proven MLB model gives the Mariners a slight edge with a 52.7% win probability over the Phillies.
This article offers a complete Phillies vs. Mariners prediction, including best bets and picks.
Phillies vs. Mariners prediction: Who will win and cover?
Using powerful machine learning and statistical analysis, we have simulated the outcome of Tuesday's MLB game between the Phillies and Mariners, forming part of our MLB predictions coverage.
Our famous predictive model currently gives the Mariners a 52.7% chance of defeating the Phillies.
According to our model, the Mariners (+1.5) have a 56.4% chance of covering the run line, while the over/under total of 8.5 runs has a 50.3% chance of staying under.
Phillies vs. Mariners odds [8/25/2026]
We have researched the best MLB odds in America for this game, which are listed here:
- Run Line: Phillies -1.5 (+175) / Mariners +1.5 (-170)
- Moneyline: Phillies +104, Mariners -108
All odds are correct at the time of publication and are subject to change.
Phillies vs. Mariners picks and best bet
After matching our predictions against the best available odds, we can reveal our picks for each of the major markets in this matchup. Plus, find our best bet for the game below:
- Run line: Phillies -1.5 @ +175 via DraftKings
- Moneyline: Mariners @ -108 via Novig
- Total: Over 8.5 @ +117 via Polymarket
According to our MLB best bets, the top play to make on this game is Phillies -1.5 at the spread.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Phillies vs. Mariners game-day updates and essential details
Tuesday's MLB game between the Mariners and Phillies at T-Mobile Park is scheduled to commence at 9:40 PM ET.
- Who: Philadelphia Phillies vs. Seattle Mariners
- Date: Tuesday, August 25, 2026
- Time: 9:40 PM ET/6:40PM PT
- Venue: T-Mobile Park
Conclusion
We predict the Mariners, with a 52.7% win probability, will likely beat the Phillies in Tuesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
Jason Bevilacqua, an expert in MLB, NHL, NBA, MLS, and NFL, delivers game previews, best bets, and props. Since 2020, as Head of Social and Community at Dimers, he has contributed insightful articles utilizing data-driven models and simulations.
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