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Cleveland Guardians at Boston Red Sox

MLBregular • 2026-2027 Season
completed
Red Sox logo
Red Sox
Boston
0
vs
Guardians logo
Guardians
Cleveland
1
BOS 50%50% CLE
Prediction Confidence:
Moderate

Boston Red Sox 50% to win. The top 3 signals favoring Red Sox:

  • Defensive Efficiency. Red Sox pitching/defense (3.8 RA/G) better than Guardians (4.1 RA/G)
  • Home Field Advantage. Red Sox are 36-34 at home this season; Guardians are 35-32 on the road
  • Offensive Efficiency. Red Sox offense (4.3 R/G) outpaces Guardians (4.1 R/G)

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VenueFenway Park
Boston, Massachusetts

Team Comparison

Head-to-head snapshot based on our model inputs

Guardians (away)
Red Sox (home)
50%
Win probability
50%
1
High-impact factors
0
0
Players ruled out
0

Post-Game Analysis

How our model performed

The Guardians defeated the Red Sox 1-0.

Our model predicted the Red Sox would win with 50% confidence, but the Guardians pulled off the upset. These outcomes are what keep sports compelling -- and help our model learn.

Looking at the factors our model weighed:

  • Injuries favored the Guardians and was a major factor: Guardians healthier (2 out, 0 doubtful) vs Red Sox (12 out, 0 doubtful)
  • Defensive Efficiency favored the Red Sox and was a contributing factor: Red Sox pitching/defense (3.8 RA/G) better than Guardians (4.1 RA/G)
  • Home Field Advantage favored the Red Sox and was a contributing factor: Red Sox are 36-34 at home this season; Guardians are 35-32 on the road
  • Both teams are dealing with injuries -- the Red Sox have 12 player(s) ruled out, while the Guardians have 2.

This analysis was generated from our model's pre-game assessment compared against the actual result. Factor accuracy helps improve future predictions.

Guardians won 0-1

Guardians won in a close game

Prediction IncorrectWe predicted Red Sox at 50%

Key Factors

What's driving the win probability for this game

  • InjuriesFavors Cleveland Guardians
  • Defensive EfficiencyFavors Boston Red Sox
  • Home Field AdvantageFavors Boston Red Sox
  • Offensive EfficiencyFavors Boston Red Sox
  • ELO RatingFavors Boston Red Sox
  • Recent FormNeutral
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What's Driving This Game

Each factor's contribution to the final win probability

CLE
BOS
Injuries
Defensive Efficiency
Home Field Advantage
Offensive Efficiency
ELO Rating
Recent Form
Favours CLE|Favours BOS

Premium feature: factor breakdown

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Understanding the win probability calculation

Injuries

Guardians healthier (2 out, 0 doubtful) vs Red Sox (12 out, 0 doubtful)

Guardians

1 factor not shown (insufficient data)

Model version: 1.1.0 • Calculated: 9/24/2026, 10:30:01 PM

Key Players

Guardians

Slade CecconiSP
Gavin WilliamsSP
Tanner BibeeSP
Logan AllenSP
Will DionSP

Red Sox

Brayan BelloSP
Connelly EarlySP
Sonny GraySP
Ranger SuarezSP
Payton TolleSP

Learn About Our Analysis

Learn about the factors behind our predictions

Frequently Asked Questions

Red Sox has a 50% win probability, while Guardians has a 50% win probability based on our analysis.

Our model considers weather conditions, offensive and defensive efficiency, rest days, injury impact, and historical performance.

This game is being played at Fenway Park in Boston, Massachusetts.

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