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Read Article Orioles vs. Mariners prediction: Seattle favored to win Thursday's MLB matchup [6/18/2026]
Updated: | First published:
Written by Jason Bevilacqua, Head of Content and Communities
Get Baltimore Orioles vs Seattle Mariners predictions for MLB Thursday.
The Seattle Mariners will square off with the Baltimore Orioles in MLB action at T-Mobile Park on Thursday, commencing at 4:10 PM ET.
The Mariners will start Bryan Woo (5-5, 4.28 ERA), while the Orioles are going with Shane Baz (4-6, 4.06 ERA).
Based on the latest simulations, Dimers' advanced MLB model projects the Mariners as the most likely winner of the Orioles vs. Mariners game.
This article offers further insights into Thursday's matchup, including best bets and picks.
Orioles vs. Mariners prediction: Who will win and cover?
Using innovative machine learning and data analysis, we have simulated the result of Thursday's MLB game between the Orioles and Mariners, forming part of our MLB predictions coverage.
Our leading predictive model gives the Mariners a 58.3% chance of defeating the Orioles.
According to our model, the Orioles (+1.5) have a 59.0% chance of covering the run line, while the over/under total of 7.5 runs has a 55.4% chance of going over,.
Orioles vs. Mariners odds [6/18/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Orioles | Mariners |
|---|---|---|
| Run Line | +1.5 (-196) | -1.5 (+166) |
| Moneyline | +112 | -125 |
| Total | o7.5 (-114) | u7.5 (-105) |
All odds are correct at the time of publication and are subject to change.
Orioles vs. Mariners picks and best bet
After matching our probabilities against the best current odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Run Line | Mariners -1.5 | +166 |
| Moneyline | Mariners | -125 |
| Total | Over 7.5 | -114 |
According to our MLB best bets, the top play to make on this game is Mariners -1.5 at the spread.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Orioles vs. Mariners game-day updates and essential details
Thursday's MLB matchup between the Mariners and Orioles at T-Mobile Park is scheduled to start at 4:10 PM ET.
- Who: Baltimore Orioles vs. Seattle Mariners
- Date: Thursday, June 18, 2026
- Time: 4:10 PM ET/1:10PM PT
- Venue: T-Mobile Park
Conclusion
We predict the Mariners, with a 58.3% win probability, will likely beat the Orioles in Thursday'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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