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San Francisco Giants at Arizona Diamondbacks

MLBregular • 2026 Season
completed
Diamondbacks logo
Diamondbacks
Arizona
12
vs
Giants logo
Giants
San Francisco
2
ARI 53%47% SF
Prediction Confidence:
Moderate

Arizona Diamondbacks 53% to win. The biggest signal favoring Diamondbacks:

  • Home Field Advantage. Base home field advantage applied (no detailed stats available)

What would change the call

Win probability as of kickoff if a leading factor were even

  • If the home-field edge were neutral: ARI 52% (−1)

Win probability movement

ARI home win probability as the model updated before the game

Home win probability movement59%54%48%May 15May 18

Labels mark updates of 5 points or more, named by the factor that moved most.

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VenueChase Field
Phoenix, Arizona

Team Comparison

Head-to-head snapshot based on our model inputs

Giants (away)
Diamondbacks (home)
47%
Win probability
53%
0
High-impact factors
0
0
Players ruled out
0

Post-Game Analysis

How our model performed

The Diamondbacks defeated the Giants 12-2.

Our model predicted the Diamondbacks would win with 53% confidence -- and they delivered. A close call, but the model's slight lean proved correct.

Looking at the factors our model weighed:

  • Home Field Advantage favored the Diamondbacks and was a notable factor: Base home field advantage applied (no detailed stats available)
  • Head to Head was neutral and a contributing factor: No recent head-to-head history available
  • Recent Form was neutral and a contributing factor: No recent form data available

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

Diamondbacks won 12-2

Diamondbacks won comfortably

Prediction CorrectWe predicted Diamondbacks at 53%

Key Factors

What's driving the win probability for this game

  • Home Field AdvantageFavors Arizona Diamondbacks
  • Head to HeadNeutral
  • Recent FormNeutral
  • InjuriesNeutral
  • Rest DaysNeutral
  • Weather ImpactNeutral
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What's Driving This Game

Each factor's contribution to the final win probability

SF
ARI
Home Field Advantage
Favours SF|Favours ARI

Premium feature: factor breakdown

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Understanding the win probability calculation

1 factor not shown (insufficient data)

Model version: 1.1.0 • Calculated: 5/18/2026, 8:45:00 AM

Key Players

Giants

No player data available

Diamondbacks

Michael SorokaSP
Ryne NelsonSP
Jose CabreraSP
Kohl DrakeSP
Eduardo RodriguezSP

Learn About Our Analysis

Learn about the factors behind our predictions

Frequently Asked Questions

Diamondbacks has a 53% win probability, while Giants has a 47% 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 Chase Field in Phoenix, Arizona.

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