Mariners vs. Orioles prediction: Seattle favored to win Monday's MLB matchup [6/8/2026]
Get Seattle Mariners vs Baltimore Orioles predictions for MLB Monday.

The Baltimore Orioles and Seattle Mariners will meet in MLB action at Oriole Park at Camden Yards on Monday, starting at 6:35 PM ET.
Chris Bassitt (4-4, 5.27 ERA) will get the ball for the Orioles, pitting him against Emerson Hancock (4-2, 2.80 ERA) for the Mariners.
Based on the latest simulations, Dimers' advanced MLB model projects the Mariners as the most likely winner of the Mariners vs. Orioles game.
This article offers further insights into Monday's matchup, including best bets and picks.
Mariners vs. Orioles prediction: Who will win and cover?
Our leading predictive model gives the Mariners a 54.7% chance of beating the Orioles.
According to our model, the Orioles (+1.5) have a 57.6% chance of covering the run line, while the over/under total of nine runs has a 51.8% chance of going over.
Mariners vs. Orioles odds [6/8/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Mariners | Orioles |
|---|---|---|
| Run Line | -1.5 (+130) | +1.5 (-149) |
| Moneyline | -126 | +113 |
| Total | o9 (-102) | u9 (-120) |
All odds are correct at the time of publication and are subject to change.
Mariners vs. Orioles picks and best bet
After matching our predictions 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 | +130 |
| Moneyline | Mariners | -126 |
| Total | Over 9 | -102 |
According to our MLB best bets, the top play to make on this game is Over 9 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Mariners vs. Orioles game-day updates and essential details
Monday's MLB matchup between the Orioles and Mariners at Oriole Park at Camden Yards is scheduled to commence at 6:35 PM ET.
- Who: Seattle Mariners vs. Baltimore Orioles
- Date: Monday, June 8, 2026
- Time: 6:35 PM ET/3:35PM PT
- Venue: Oriole Park at Camden Yards
Conclusion
We predict the Mariners, with a 54.7% win probability, will likely beat the Orioles in Monday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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