Athletics vs. Mariners prediction: Seattle favored to win Sunday's MLB matchup [9/6/2026]
Dimers' simulation model projects a 63.1% win probability for the Mariners at T-Mobile Park.

MLB action continues on Sunday at 4:10 PM ET as the A's lock horns with the Seattle Mariners at T-Mobile Park.
Bryan Woo (10-9, 4.25 ERA) will start for the Mariners, while the Athletics will counter with Gage Jump (6-9, 5.15 ERA).
Dimers' advanced MLB model projects the Mariners as the most likely winner in this Athletics vs. Mariners prediction.
This article offers a closer look at Sunday's matchup, including best bets and picks.
A's vs. Mariners prediction and odds
Our leading predictive model currently gives the Mariners a 63.1% chance of beating the Athletics.
According to our model, the Athletics (+1.5) have a 55.1% chance of covering the run line, while the 7.5-run over/under has a 51.2% chance of going over.
Latest betting odds
We have sourced the best MLB odds in America for this game, which are listed here:
- Run Line: Athletics +1.5 (-117) / Mariners -1.5 (+117)
- Moneyline: Athletics +195, Mariners -194
- Total: Over/Under 7.5 (+122/-122)
All odds are correct at the time of publication and are subject to change.
Model picks and best bet
After matching our probabilities 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: Athletics +1.5 @ 54¢ via Novig
- Moneyline: Athletics @ +195 via Caesars
- Total: Over 7.5 @ 45¢ via Novig
According to our MLB best bets, the top play to make on this game is Over 7.5 total runs.
These picks are based on our probabilities matched against the implied probabilities from the current available odds.
Game info & first pitch details
Sunday's MLB matchup between the Mariners and Athletics at T-Mobile Park is scheduled to start at 4:10 PM ET.
- Who: Athletics vs. Seattle Mariners
- Date: Sunday, September 6, 2026
- Time: 4:10 PM ET/1:10PM PT
- Venue: T-Mobile Park
Conclusion
We predict the Mariners, with a 63.1% win probability, will likely beat the Athletics in Sunday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.


