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Kansas City Royals at Seattle Mariners

MLBregular • 2026 Season
completed
Mariners logo
Mariners
Seattle
4
vs
Royals logo
Royals
Kansas City
3
SEA 56%44% KC
Prediction Confidence:
Moderate

Seattle Mariners 56% to win. The biggest signal favoring Mariners:

  • 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: SEA 52% (−4)

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VenuePeoria Stadium
Peoria, Arizona

Team Comparison

Head-to-head snapshot based on our model inputs

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

Post-Game Analysis

How our model performed

The Mariners defeated the Royals 4-3.

Our model predicted the Mariners 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 Mariners 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
  • Injuries was neutral and a contributing factor: Similar injury situations: Mariners (0 out) vs Royals (0 out)

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

Mariners won 4-3

Mariners won in a close game

Prediction CorrectWe predicted Mariners at 56%

Key Factors

What's driving the win probability for this game

  • Home Field AdvantageFavors Seattle Mariners
  • Head to HeadNeutral
  • InjuriesNeutral
  • Weather ImpactNeutral
  • Offensive EfficiencyNeutral
  • Defensive EfficiencyNeutral
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What's Driving This Game

Each factor's contribution to the final win probability

KC
SEA
Home Field Advantage
Favours KC|Favours SEA

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

Royals

Noah CameronSP
Seth LugoSP
Michael WachaSP
Stephen KolekSP
Randy DobnakSP

Mariners

Bryce MillerSP
Bryan WooSP
Kade AndersonSP
Emerson HancockSP
Logan GilbertSP

Learn About Our Analysis

Learn about the factors behind our predictions

Frequently Asked Questions

Mariners has a 56% win probability, while Royals 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 Peoria Stadium in Peoria, Arizona.

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