PlayDecoded
Menu

Boston Red Sox at Seattle Mariners

MLBregular • 2026 Season
completed
Mariners logo
Mariners
Seattle
2
vs
Red Sox logo
Red Sox
Boston
6
SEA 55%45% BOS
Prediction Confidence:
Moderate

Seattle Mariners 55% 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% (−3)

Win probability movement

SEA home win probability as the model updated before the game

Home win probability movement60%55%50%Jun 16Jun 20

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

Make Your Prediction

View leaderboard to see rankings

VenueT-Mobile Park
Seattle, Washington

Team Comparison

Head-to-head snapshot based on our model inputs

Red Sox (away)
Mariners (home)
45%
Win probability
55%
0
High-impact factors
0
0
Players ruled out
0

Post-Game Analysis

How our model performed

The Red Sox defeated the Mariners 6-2.

Our model predicted the Mariners would win with 55% confidence, but the Red Sox 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 Mariners 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
  • 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.

Red Sox won 2-6

Red Sox won by a solid margin

Prediction IncorrectWe predicted Mariners at 55%

Key Factors

What's driving the win probability for this game

  • Home Field AdvantageFavors Seattle Mariners
  • Defensive EfficiencyNeutral
  • Recent FormNeutral
  • InjuriesNeutral
  • Weather ImpactNeutral
  • 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

BOS
SEA
Home Field Advantage
Favours BOS|Favours SEA

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: 6/20/2026, 2:00:01 AM

Key Players

Red Sox

Connelly EarlySP
Tanner HouckSP
Sonny GraySP
Brayan BelloSP
Eduardo RiveraSP

Mariners

Bryan WooSP
Bryce MillerSP
George KirbySP
Logan GilbertSP
Emerson HancockSP

Learn About Our Analysis

Learn about the factors behind our predictions

Frequently Asked Questions

Mariners has a 55% win probability, while Red Sox 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 T-Mobile Park in Seattle, Washington.

View all MLB games