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Read Article Rays vs. Mariners prediction: Seattle favored to win Friday's MLB matchup [8/7/2026]
Updated: | First published:
Written by Jason Bevilacqua, Head of Content and Communities
Get Tampa Bay Rays vs Seattle Mariners predictions for MLB Friday.
The Seattle Mariners and Tampa Bay Rays will meet in MLB action at T-Mobile Park on Friday, starting at 9:45 PM ET.
Logan Gilbert (8-6, 3.46 ERA) will get the ball for the Mariners, while the Rays are going with Drew Rasmussen (10-5, 2.92 ERA).
Dimers' proven MLB model projects the Mariners as the most likely winner in this Rays vs. Mariners prediction.
This article offers further insights into Friday's matchup, including best bets and picks.
Rays vs. Mariners prediction: Who will win and cover?
Using trusted machine learning and data, we have simulated the result of Friday's MLB game between the Rays and Mariners, forming part of our MLB predictions coverage.
Our independent predictive model currently gives the Mariners a 55.1% chance of beating the Rays.
According to our model, the Rays (+1.5) have a 62.0% chance of covering the run line, while the over/under total of 6.5 runs has a 58.3% chance of going over,.
Rays vs. Mariners odds [8/7/2026]
We have sourced the best MLB odds in America for this game, which are listed here:
- Run Line: Mariners -1.5 @ +180 via bet_365
- Moneyline: Mariners @ -106 via Novig
- Total: Over 6.5 @ -113 via Polymarket
All odds are correct at the time of publication and are subject to change.
Rays 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: Mariners -1.5 @ +180 via DraftKings
- Moneyline: Mariners @ -106 via Novig
- Total: Over 6.5 @ -113 via Polymarket According to our MLB best bets, the top play to make on this game is Over 6.5 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Rays vs. Mariners game-day updates and essential details
Friday's MLB matchup between the Mariners and Rays at T-Mobile Park is scheduled to commence at 9:45 PM ET.
- Who: Tampa Bay Rays vs. Seattle Mariners
- Date: Friday, August 7, 2026
- Time: 9:45 PM ET/6:45PM PT
- Venue: T-Mobile Park
Conclusion
We predict the Mariners, with a 55.1% win probability, will likely beat the Rays in Friday'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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