Phillies vs. Red Sox prediction: Philadelphia favored to win Tuesday's MLB matchup [5/12/2026]
Get Philadelphia Phillies vs Boston Red Sox predictions for MLB Tuesday.

The Boston Red Sox and Philadelphia Phillies are scheduled to meet in MLB action at Fenway Park on Tuesday, starting at 6:45 PM ET.
Jovani Morán (0-0, 2.91 ERA) will start for the Red Sox, pitting him against Zack Wheeler (1-0, 3.12 ERA) for the Phillies.
Based on the latest simulations, Dimers' advanced MLB model predicts the Phillies as the most likely winner of the Phillies vs. Red Sox game.
This article offers further insights into Tuesday's matchup, including best bets and picks.
Phillies vs. Red Sox prediction: Who will win and cover?
Our leading predictive model currently gives the Phillies a 56% chance of defeating the Red Sox.
According to our model, the Red Sox (+1.5) have a 56% chance of covering the run line, while the over/under total of eight runs has a 54% chance of going over.
Phillies vs. Red Sox odds [5/12/2026]
We have researched the best MLB odds in America for this game, which are listed here:
| Bet Type | Phillies | Red Sox |
|---|---|---|
| Run Line | -1.5 (+126) | +1.5 (-145) |
| Moneyline | -136 | +118 |
| Total | o8 (-110) | u8 (-105) |
All odds are correct at the time of publication and are subject to change.
Phillies 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. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Run Line | Phillies -1.5 | +126 |
| Moneyline | Phillies | -136 |
| Total | Over 8 | -110 |
According to our MLB best bets, the top play to make on this game is Over 8 total runs.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Phillies vs. Red Sox game-day updates and essential details
Tuesday's MLB matchup between the Red Sox and Phillies at Fenway Park is scheduled to commence at 6:45 PM ET.
- Who: Philadelphia Phillies vs. Boston Red Sox
- Date: Tuesday, May 12, 2026
- Time: 6:45 PM ET/3:45PM PT
- Venue: Fenway Park
Conclusion
We predict the Phillies, with a 56% win probability, will likely beat the Red Sox in Tuesday's MLB matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
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