Giants vs. Red Sox prediction: Boston favored to win Sunday's MLB matchup [8/23/2026]
Get San Francisco Giants vs Boston Red Sox predictions for MLB Sunday.

MLB action continues on Sunday at 3:15 PM ET as the San Francisco Giants square off with the Boston Red Sox at Fenway Park.
Jake Bennett (7-6, 3.46 ERA) will start on the mound for the Red Sox, while the Giants will counter with Matt Wilkinson (0-0, 0.00 ERA).
Dimers' advanced MLB model projects the Red Sox as the most likely winner in this Giants vs. Red Sox prediction.
This article offers further insights into Sunday's matchup, including best bets and picks.
Giants vs. Red Sox prediction: Who will win and cover?
Our famous predictive model gives the Red Sox a 61.6% chance of beating the Giants.
According to our model, the Giants (+1.5) have a 55.4% chance of covering the run line, while the 8.5-run over/under has a 55.0% chance of going over.
Giants vs. Red Sox odds [8/23/2026]
We have researched the best MLB odds in America for this game, which are listed here:
- Run Line: Giants +1.5 (-108) / Red Sox -1.5 (+106)
- Moneyline: Giants +191, Red Sox -194
All odds are correct at the time of publication and are subject to change.
Giants 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: Giants +1.5 @ -108 via DraftKings
- Moneyline: Giants @ +191 via DraftKings
- Total: Over 8.5 @ +100 via Novig
According to our best MLB 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.
Giants vs. Red Sox game-day updates and essential details
Sunday's MLB game between the Red Sox and Giants at Fenway Park is scheduled to begin at 3:15 PM ET.
- Who: San Francisco Giants vs. Boston Red Sox
- Date: Sunday, August 23, 2026
- Time: 3:15 PM ET/12:15PM PT
- Venue: Fenway Park
Conclusion
We predict the Red Sox, with a 61.6% win probability, will likely beat the Giants in Sunday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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