PlayDecoded
Menu

Arizona Diamondbacks at St. Louis Cardinals

MLBregular • 2026 Season
completed
Cardinals logo
Cardinals
St. Louis
4
vs
Diamondbacks logo
Diamondbacks
Arizona
9
STL 55%45% ARI
Prediction Confidence:
Moderate

St. Louis Cardinals 55% to win. The biggest signal favoring Cardinals:

  • 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: STL 52% (−3)

Win probability movement

STL home win probability as the model updated before the game

Home win probability movement60%54%49%Jun 21Jun 24

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

Make Your Prediction

View leaderboard to see rankings

VenueBusch Stadium
St. Louis, Missouri

Team Comparison

Head-to-head snapshot based on our model inputs

Diamondbacks (away)
Cardinals (home)
45%
Win probability
55%
0
High-impact factors
0
0
Players ruled out
0

Post-Game Analysis

How our model performed

The Diamondbacks defeated the Cardinals 9-4.

Our model predicted the Cardinals would win with 55% confidence, but the Diamondbacks pulled off the upset. These outcomes are what keep sports compelling -- and help our model learn.

Looking at the factors our model weighed:

  • Home Field Advantage favored the Cardinals and was a notable factor: Base home field advantage applied (no detailed stats available)
  • Rest Days was neutral and a contributing factor: Similar rest: Cardinals (1 day rest) vs Diamondbacks (1 day rest)
  • Defensive Efficiency was neutral and a contributing factor: No defensive stats available for comparison

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

Diamondbacks won 4-9

Diamondbacks won by a solid margin

Prediction IncorrectWe predicted Cardinals at 55%

Key Factors

What's driving the win probability for this game

  • Home Field AdvantageFavors St. Louis Cardinals
  • Rest DaysNeutral
  • Defensive EfficiencyNeutral
  • Weather ImpactNeutral
  • ELO RatingNeutral
  • Offensive EfficiencyNeutral
Sign in to see factor scores, charts, and what-if simulations

What's Driving This Game

Each factor's contribution to the final win probability

ARI
STL
Home Field Advantage
Favours ARI|Favours STL

Premium feature: factor breakdown

Start 14-day free trial →

Understanding the win probability calculation

1 factor not shown (insufficient data)

Model version: 1.1.0 • Calculated: 6/24/2026, 11:30:02 PM

Key Players

Diamondbacks

Merrill KellySP
Michael SorokaSP
Ryne NelsonSP
Eduardo RodriguezSP
Zac GallenSP

Cardinals

Hunter DobbinsSP
Michael McGreevySP
Chase HamptonSP
Kyle LeahySP
Andre PallanteSP

Learn About Our Analysis

Learn about the factors behind our predictions

Frequently Asked Questions

Cardinals has a 55% win probability, while Diamondbacks has a 45% 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 Busch Stadium in St. Louis, Missouri.

View all MLB games
Diamondbacks at Cardinals, Jun 24, 2026: Win Probability | PlayDecoded