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St. Louis Cardinals at Chicago Cubs

MLBregular • 2026 Season
completed
Cubs logo
Cubs
Chicago
1
vs
Cardinals logo
Cardinals
St. Louis
17
CHC 63%37% STL
Prediction Confidence:
Moderate

Chicago Cubs 63% to win. The top 3 signals favoring Cubs:

  • Rest Days. Cubs rest advantage (2 days rest) over Cardinals (back-to-back)
  • Home Field Advantage. Base home field advantage applied (no detailed stats available)
  • ELO Rating. Cubs ELO 1495 vs Cardinals ELO 1473 (diff: +22)

What would change the call

Win probability as of kickoff if a leading factor were even

  • If the rest edge were neutral: CHC 56% (−7)
  • If the home-field edge were neutral: CHC 60% (−3)

Win probability movement

CHC home win probability as the model updated before the game

Home win probability movement68%59%51%Rest Days +5.9Jun 30Jul 3

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

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VenueWrigley Field
Chicago, Illinois

Team Comparison

Head-to-head snapshot based on our model inputs

Cardinals (away)
Cubs (home)
37%
Win probability
63%
0
High-impact factors
1
0
Players ruled out
0

Post-Game Analysis

How our model performed

The Cardinals defeated the Cubs 17-1.

Our model predicted the Cubs would win with 63% confidence, but the Cardinals pulled off the upset. These outcomes are what keep sports compelling -- and help our model learn.

Looking at the factors our model weighed:

  • Rest Days favored the Cubs and was a major factor: Cubs rest advantage (2 days rest) over Cardinals (back-to-back)
  • Home Field Advantage favored the Cubs 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

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

Cardinals won 1-17

Cardinals won convincingly

Prediction IncorrectWe predicted Cubs at 63%

Key Factors

What's driving the win probability for this game

  • Rest DaysFavors Chicago Cubs
  • Home Field AdvantageFavors Chicago Cubs
  • Head to HeadNeutral
  • Recent FormNeutral
  • InjuriesNeutral
  • Defensive EfficiencyNeutral
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What's Driving This Game

Each factor's contribution to the final win probability

STL
CHC
Rest Days
Home Field Advantage
Favours STL|Favours CHC

Premium feature: factor breakdown

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Model vs. Market

Comparing our model against market-implied probabilities

Cubs

Our Model63%

Cardinals

Our Model37%

Understanding the win probability calculation

Rest Days

Cubs rest advantage (2 days rest) over Cardinals (back-to-back)

Cubs

1 factor not shown (insufficient data)

Model version: 1.1.0 • Calculated: 7/3/2026, 8:00:04 PM

Key Players

Cardinals

Matthew LiberatoreSP
Hunter DobbinsSP
Kyle LeahySP
Michael McGreevySP
Andre PallanteSP

Cubs

Aaron CivaleRP
David PetersonSP
Kevin GausmanSP
Shota ImanagaSP
Colin ReaSP

Learn About Our Analysis

Learn about the factors behind our predictions

Frequently Asked Questions

Cubs has a 63% win probability, while Cardinals has a 37% 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 Wrigley Field in Chicago, Illinois.

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