Sep 2, 2026
Phillies vs. Diamondbacks prediction: Why Arizona is favored to win Wednesday's MLB matchup [9/2/2026]
Read Article Mariners vs. Red Sox prediction: Boston favored to win Wednesday's MLB matchup [9/2/2026]
Updated: | First published:
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Written by Jason Bevilacqua, Head of Content and Communities
Dimers' simulation model projects a 54.0% win probability for the Red Sox at Fenway Park.
The Boston Red Sox will face the Seattle Mariners, in what is expected to be a tight MLB game, at Fenway Park on Wednesday, beginning at 4:10 PM ET.
Patrick Sandoval (1-3, 4.20 ERA) will get the ball for the Red Sox, while the Mariners have opted for Bryce Miller (4-8, 4.12 ERA).
Dimers' proven MLB model gives the Red Sox a slight edge with a 54.0% win probability over the Mariners.
This article offers a complete Mariners vs. Red Sox prediction, including best bets and picks.
Mariners vs. Red Sox prediction and odds
Using innovative machine learning and data, we have simulated the outcome of Wednesday's MLB matchup between the Mariners and Red Sox, forming part of our MLB predictions coverage.
Our famous predictive model currently gives the Red Sox a 54.0% chance of defeating the Mariners.
According to our model, the Mariners (+1.5) have a 62.3% chance of covering the run line, while the over/under total of 8.5 runs has a 56.2% 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: Mariners +1.5 (-163) / Red Sox -1.5 (+163)
- Moneyline: Mariners +125, Red Sox -127
All odds are correct at the time of publication and are subject to change.
Model 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 @ -163 via DraftKings
- Moneyline: Mariners @ +125 via Novig
- Total: Over 8.5 @ +104 via Polymarket
According to our MLB best bets, the top play to make on this game is Over 8.5 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Game info & first pitch details
Wednesday's MLB action between the Red Sox and Mariners at Fenway Park is scheduled to begin at 4:10 PM ET.
- Who: Seattle Mariners vs. Boston Red Sox
- Date: Wednesday, September 2, 2026
- Time: 4:10 PM ET/1:10PM PT
- Venue: Fenway Park
Conclusion
We predict the Red Sox, with a 54.0% win probability, will likely beat the Mariners in Wednesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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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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