MLBMLB

Saturday, May 9, 2026, 8:10 PM UTC

Game starts in 4d 18h 1m

Boston Red Sox

Boston Red Sox

vs

Tampa Bay Rays

Tampa Bay Rays

Tampa Bay Rays Win

AI Confidence: 66%

Winner: Tampa Bay Rays Win (66%)

Spread: Tampa Bay Rays -1.5 (-1.5) (71%)

Total: Under 8.5 (71%)

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Boston Red Sox vs Tampa Bay Rays Prediction

The Tampa Bay Rays, with their strong starting pitching and superior recent form, are expected to defeat the struggling Boston Red Sox at Fenway Park. Boston's injury-riddled pitching staff and slumping offense present significant challenges for them in this contest.

AI-powered prediction

ATS PREDICTION

Tampa Bay Rays Win

Predicted: Boston Red Sox 2 - 5 Tampa Bay Rays

66%

The Tampa Bay Rays enter this matchup with superior form, holding a 21-12 record compared to the Boston Red Sox's 13-21. The Rays are projected to start Nick Martinez, who boasts an excellent 1.70 ERA, providing a significant pitching advantage. In contrast, the Red Sox's starting pitcher is currently TBD, with key starters like Sonny Gray, Garrett Crochet, and Ranger Suárez either injured or just returning, which points to a likely weaker pitching option for Boston. Boston's offense has also been struggling considerably, ranking near the bottom of the league in batting average (.235) and runs scored (130). Given these factors, the Rays are strongly favored to win this game.

SPREAD PREDICTION

Tampa Bay Rays -1.5 (-1.5)

71%

The Rays' strong pitching matchup with Nick Martinez (1.70 ERA) against a likely weaker Red Sox starter, coupled with Boston's anemic offense, makes them a strong candidate to win by more than one run. The Rays have been performing well recently, while the Red Sox are struggling with a 4-6 record in their last 10 games.

TOTAL PREDICTION

Under 8.5

71%

With Nick Martinez's dominant 1.70 ERA for the Rays and the Red Sox's overall offensive struggles, runs are expected to be at a premium for Boston. While the Rays offense is decent, it's unlikely to carry the total significantly over a reasonable line, especially against a home team desperate for a good pitching performance. The Red Sox's recent games have seen the total go OVER in only 1 of their last 5, and 5 of their last 10 have been UNDER.

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🏆 Additional Markets

First 3 Innings Winner

Tampa Bay Rays

71%

Nick Martinez's strong early-season performance and the Red Sox's offensive woes suggest the Rays should get off to a quick start and hold an advantage through the initial innings.

Team Total - Boston Red Sox

Under 3.5 Runs

71%

Boston's offense has scored the seventh-fewest runs in the league and is facing an elite pitcher in Nick Martinez, making it difficult for them to exceed 3.5 runs.

Player Strikeouts - Nick Martinez

Over 5.5 Strikeouts

71%

Martinez has an excellent ERA, which often correlates with a good strikeout rate. Facing a struggling Red Sox lineup could allow him to rack up strikeouts.

Margin of Victory

Tampa Bay Rays by 3-4 Runs

57%

The Rays are expected to win comfortably due to their advantages in pitching and offense, but MLB variance makes a blowout less certain than a moderate victory.

Both Teams to Score 4+ Runs

No

71%

With the Red Sox offense struggling against an elite pitcher, it's highly improbable they will score 4 or more runs.

Boston Red Sox vs Tampa Bay Rays Key Stats (AI)

SoxStatRays
34% AI Win Probability66%
2 Predicted Score5
Tampa Bay Rays -1.… Spread71% conf
Under 8.5 Total71% conf
78% Model ConfidenceHigh

Betting Angles Boston Red Sox vs Tampa Bay Rays

Moneyline: Tampa Bay Rays

The model's probability of a Rays win is significantly higher than the implied probability from these hypothetical odds, indicating a strong value bet given their pitching advantage and the Red Sox's struggles. The Rays' strong 21-12 record and Martinez's 1.70 ERA are compelling factors.

Total Runs: Under 8.5

With Martinez on the mound for the Rays and Boston's difficulties scoring runs, an Under bet holds good value. The Red Sox offense is among the worst in the league this season.

First 5 Innings Winner: Tampa Bay Rays

Given the Rays' strong starting pitcher in Nick Martinez, they are highly likely to have a lead or be tied after the first five innings, especially against an unconfirmed Red Sox starter and struggling offense.

💰 Sharp Money

Expect sharp money to lean heavily towards the Rays moneyline and potentially the Under, capitalizing on the pitching mismatch and offensive disparities. Line movement: Given the TBD pitcher for Boston, the lines are likely to move significantly once their starter is announced. If a weaker starter is confirmed, expect the Rays' moneyline to shorten and the run line to increase.

AI Same Game Parlay Boston Red Sox vs Tampa Bay Rays

🔥 RECOMMENDED SGP

3-Leg
Moneyline: Tampa Bay Rays1.75
Team Total - Boston Red Sox: Under 3.5 Runs1.80
Nick Martinez - Over 4.5 Strikeouts: Over1.65

Combined Odds: 5.19 (+419)

AI Confidence: 71%

$10 → $51.90 | $25 → $129.75 | $50 → $259.50

Correlation: Positive correlation, as a strong performance from Nick Martinez (leading to more strikeouts and fewer runs allowed) directly contributes to a Rays victory and a low Red Sox score.

Risk Assessment

Medium Risk
6/10
  • ⚠️Uncertainty of Boston's starting pitcher and their performance.
  • ⚠️High variance inherent in MLB games, where upsets are common.
  • ⚠️Any unexpected bullpen blow-ups for the Rays, especially if key relievers are fatigued.
  • ⚠️Potential for a sudden offensive breakout from a struggling Red Sox hitter.

Model Confidence

78%

Data quality: High

Limitations

  • Lack of confirmed starting pitcher for the Boston Red Sox at the time of prediction.
  • Betting odds are hypothetical as no real-time lines were available for the specific game date.
  • MLB's inherent high variance means even strong favorites can lose.

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

Boston Red Sox vs Tampa Bay Rays FAQ

As of May 5, 2026, the Boston Red Sox's starting pitcher for May 9th against the Tampa Bay Rays is TBD. Several key Red Sox pitchers, including Sonny Gray, Garrett Crochet, and Ranger Suárez, are either injured or just returning to action.