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Read Article Diamondbacks vs. Red Sox prediction: Boston favored to win Tuesday's MLB matchup [8/18/2026]
Updated: | First published:
Written by Jason Bevilacqua, Head of Content and Communities
Get Arizona Diamondbacks vs Boston Red Sox predictions for MLB Tuesday.
The Boston Red Sox and Arizona dbacks will lock horns in MLB action at Fenway Park on Tuesday, starting at 7:10 PM ET.
Ranger Suarez (4-3, 3.25 ERA) will get the ball for the Red Sox, while the Diamondbacks will counter with Merrill Kelly (8-10, 5.11 ERA).
Dimers' advanced MLB model projects the Red Sox as the most likely winner in this Diamondbacks vs. Red Sox prediction.
This article offers further insights into Tuesday's matchup, including best bets and picks.
For more, dive into Ranger Suarez' pitching projections.
Diamondbacks vs. Red Sox prediction: Who will win and cover?
Using powerful machine learning and data analysis, we have simulated the outcome of Tuesday's MLB game between the Diamondbacks and Red Sox, forming part of our MLB predictions coverage.
Our famous predictive model gives the Red Sox a 57.0% chance of beating the Diamondbacks.
According to our model, the Diamondbacks (+1.5) have a 60.2% chance of covering the run line, while the 7.5-run over/under has a 60.1% chance of going over,.
Diamondbacks vs. Red Sox odds [8/18/2026]
We have sourced the best MLB odds in America for this game, which are listed here:
- Run Line: Diamondbacks +1.5 (-133) / Red Sox -1.5 (+138)
- Moneyline: Diamondbacks +157, Red Sox -155
All odds are correct at the time of publication and are subject to change.
Diamondbacks vs. Red Sox 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: Diamondbacks +1.5 @ -133 via DraftKings
- Moneyline: Diamondbacks @ +157 via DraftKings
- Total: Over 7.5 @ -113 via DraftKings
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 sportsbook odds.
Diamondbacks vs. Red Sox game-day updates and essential details
Tuesday's MLB game between the Red Sox and Diamondbacks at Fenway Park is scheduled to begin at 7:10 PM ET.
- Who: Arizona Diamondbacks vs. Boston Red Sox
- Date: Tuesday, August 18, 2026
- Time: 7:10 PM ET/4:10PM PT
- Venue: Fenway Park
Conclusion
We predict the Red Sox, with a 57.0% win probability, will likely beat the Diamondbacks in Tuesday'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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