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Seattle Mariners at Arizona Diamondbacks

MLBregular • 2026 Season
completed
Diamondbacks logo
Diamondbacks
Arizona
2
vs
Mariners logo
Mariners
Seattle
1
ARI 56%44% SEA
Prediction Confidence:
Moderate

Arizona Diamondbacks 56% 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% (−4)

Win probability movement

ARI home win probability as the model updated before the game

Home win probability movement61%56%51%Mar 8Mar 9

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

Make Your Prediction

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VenueSalt River Fields at Talking Stick
Scottsdale, Arizona

Team Comparison

Head-to-head snapshot based on our model inputs

Mariners (away)
Diamondbacks (home)
44%
Win probability
56%
0
High-impact factors
0
0
Players ruled out
0

Post-Game Analysis

How our model performed

The Diamondbacks defeated the Mariners 2-1.

Our model predicted the Diamondbacks would win with 56% confidence -- and they delivered. Even with modest confidence, the model got this one right.

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)
  • Defensive Efficiency was neutral and a contributing factor: No defensive stats available for comparison
  • Turnover Differential was neutral and a contributing factor: No turnover 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 2-1

Diamondbacks won in a close game

Prediction CorrectWe predicted Diamondbacks at 56%

Key Factors

What's driving the win probability for this game

  • Home Field AdvantageFavors Arizona Diamondbacks
  • Defensive EfficiencyNeutral
  • Turnover DifferentialNeutral
  • Recent FormNeutral
  • Rest DaysNeutral
  • Head to HeadNeutral
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What's Driving This Game

Each factor's contribution to the final win probability

SEA
ARI
Home Field Advantage
Favours SEA|Favours ARI

Premium feature: factor breakdown

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Understanding the win probability calculation

1 factor not shown (insufficient data)

Model version: 1.0.0 • Calculated: 3/9/2026, 7:27:55 AM

Key Players

Mariners

Kade AndersonSP
Bryan WooSP
Emerson HancockSP
Logan GilbertSP
Bryce MillerSP

Diamondbacks

Kohl DrakeSP
Eduardo RodriguezSP
Merrill KellySP
Zac GallenSP
Michael SorokaSP

Learn About Our Analysis

Learn about the factors behind our predictions

Frequently Asked Questions

Diamondbacks has a 56% win probability, while Mariners has a 44% 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 Salt River Fields at Talking Stick in Scottsdale, Arizona.

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Mariners at Diamondbacks, Mar 9, 2026: Win Probability | PlayDecoded