MLBMLB

Monday, May 11, 2026, 10:45 PM UTC

Game starts in 7h 20m

Boston Red Sox

Boston Red Sox

vs

Philadelphia Phillies

Philadelphia Phillies

Philadelphia Phillies Win

AI Confidence: 57%

Winner: Philadelphia Phillies Win (57%)

Spread: Philadelphia Phillies -1.5 (-1.5) (57%)

Total: Under 8.5 (57%)

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Boston Red Sox vs Philadelphia Phillies Prediction

This interleague matchup features two teams looking to turn their seasons around, with the Philadelphia Phillies showing strong recent momentum under new management against a Boston Red Sox team that has been inconsistent. Strong starting pitching from Zack Wheeler and Sonny Gray suggests a closely fought, lower-scoring contest. The Phillies' current offensive and bullpen form provides a slight advantage.

AI-powered prediction

Boston Red Sox host Philadelphia Phillies on Monday, part of the 2026 MLB season. Both teams' season records, recent form, and matchup-specific factors are detailed in the stats and prediction sections below.

ATS PREDICTION

Philadelphia Phillies Win

Predicted: 4-3

57%

The Philadelphia Phillies, despite their overall losing record (17-21), have shown significantly improved form under interim manager Don Mattingly, boasting an 8-2 record in their last ten games and winning six of their last seven as of May 5th. They send probable starter Zack Wheeler to the mound, who holds a strong 3.12 ERA. The Boston Red Sox (16-22) will counter with Sonny Gray, who has a 3.54 ERA and recently pitched five scoreless innings. While Gray has shown good recent form, Wheeler's season-long ERA is slightly better. The Phillies' offensive momentum and more stable recent bullpen performance under their new manager give them a slight edge in what is expected to be a tightly contested game.

SPREAD PREDICTION

Philadelphia Phillies -1.5 (-1.5)

57%

Given the Phillies' recent surge under new management and the slightly better season ERA of their probable starter Zack Wheeler, they have a reasonable chance to win by more than one run. While MLB games are high-variance, the current momentum and pitching advantage lean towards Philadelphia securing a modest victory. However, this is a road game and the Red Sox have Gray pitching well, making a large margin unlikely.

TOTAL PREDICTION

Under 8.5

57%

With two capable starting pitchers in Zack Wheeler (3.12 ERA) and Sonny Gray (3.54 ERA) expected to go deep into the game, runs should be at a premium. Both teams have shown periods of strong pitching, and Gray's recent scoreless outing suggests he is in good form. We anticipate a lower-scoring affair, making the under on 8.5 runs a favorable pick.

๐Ÿ“Š More Markets

๐Ÿ† Additional Markets

First 5 Innings Winner

away

57%

With Zack Wheeler on the mound for the Phillies, known for strong starts, and the team's current offensive confidence, they are likely to hold an advantage through the first five innings.

Both Teams to Score 3+ Runs

No

57%

Considering the quality pitching matchup and the 'under' prediction, it's plausible that at least one team might struggle to reach 3 runs, especially if the starters are effective.

Team Total Runs - Philadelphia Phillies

Over 3.5

57%

The Phillies have been scoring more consistently under their new manager, and against Sonny Gray, they should be able to push across at least 4 runs, especially if Gray has any early struggles.

Team Total Runs - Boston Red Sox

Under 4.5

57%

While Sonny Gray has been effective for Boston, their offense has been inconsistent. Against Zack Wheeler, a strong pitcher, it's more likely they will score fewer than 5 runs.

Winning Margin (Away by 1-2 runs)

Philadelphia Phillies by 1-2 runs

57%

This game is projected to be close, and if the Phillies win, a narrow victory by one or two runs aligns with the pitching matchup and overall team strengths.

Boston Red Sox vs Philadelphia Phillies โ€” Key Stats (AI)

SoxStatPhiladelphia Phillies
43% AI Win Probabilityโœ… 57%
4 โœ…Predicted Score3
Philadelphia Phillโ€ฆ โœ…Spread57% conf
Under 8.5 โœ…Total57% conf
65% โœ…Model ConfidenceMedium

No recent head-to-head meetings on record for this matchup.

Betting Angles โ€” Boston Red Sox vs Philadelphia Phillies

โš ๏ธ Moneyline: Philadelphia Phillies

Our model shows a 58% probability for the Phillies to win, higher than the implied 55.5% from the hypothetical odds. Their recent performance under interim manager Don Mattingly (8-2 record) and solid pitching matchup give them a slight value at these odds.

โš ๏ธ Total Runs: Under 8.5

With two quality starters in Zack Wheeler and Sonny Gray, combined with Boston's sometimes anemic offense and the expectation of a tight game, the under on 8.5 runs presents a slight edge. Our model projects a slightly higher chance of a lower-scoring game than the implied odds.

๐Ÿ’ฐ Sharp Money

Hypothetically, sharp money might be leaning towards the Phillies on the moneyline, recognizing their recent turnaround and value against the Red Sox's inconsistencies. Line movement: Given the Phillies' recent hot streak, if the hypothetical line opened closer to even, there might be slight movement towards the Phillies' moneyline, potentially adjusting the total down as well given the pitching matchup. (Note: This is a hypothetical line movement based on team form, as actual lines were not found.)

AI Same Game Parlay โ€” Boston Red Sox vs Philadelphia Phillies

๐Ÿ”ฅ RECOMMENDED SGP

3-Leg
Moneyline: Philadelphia Phillies1.80
Total Runs: Under 8.51.90
Philadelphia Phillies -0.5 (Alternate Spread): Philadelphia Phillies -0.51.65

Combined Odds: 5.67 (+467)

AI Confidence: 57%

$10 โ†’ $56.70 | $25 โ†’ $141.75 | $50 โ†’ $283.50

Correlation: Positive correlation, as a Phillies win often implies a lower-scoring game if their strong pitching holds, and a win by any margin supports the -0.5 alternate spread.

Risk Assessment

Medium Risk
6/10
  • โš ๏ธMLB's inherent high-variance nature
  • โš ๏ธPotential for bullpen struggles not reflected in current data (given lack of May 11th specific usage)
  • โš ๏ธOne-off dominant offensive performance from either side
  • โš ๏ธImpact of recent managerial changes on sustained performance

Model Confidence

โšก65%

Data quality: Medium

Limitations

  • โ€ขLack of specific bullpen usage data for May 11, 2026
  • โ€ขHypothetical betting odds used due to unavailability of real-time lines for May 12, 2026
  • โ€ขLimited detailed 2026 season stats for all probable pitchers beyond ERA

This prediction is for informational and entertainment purposes only. It does not constitute betting advice.

Boston Red Sox vs Philadelphia Phillies โ€” FAQ

The probable starting pitchers are Zack Wheeler for the Philadelphia Phillies and Sonny Gray for the Boston Red Sox.

Our MLB predictions weigh starting pitcher matchups, bullpen depth, lineup form, ballpark factors, and weather. Baseball is structurally high-variance โ€” confidence rarely exceeds 65% on the moneyline even with a clear pitching edge. See the full methodology and other matches on our AI MLB Picks hub.