Boston Red Sox

6 - 9

Seattle Mariners

Tue, Sep 1, 2026 22:45 (UTC)


FACT INDEX AND PREDICTION
HEAD TO HEAD

Last 10 games

Home: 50%
D: 0%
Away: 50%

Home team Side

Away team Side

These symbols () are Sorted by Newest.

FACT INDEX (1.69 - 2.44)
HOMETEAM: 59%
0%
AWAYTEAM: 41%

Weight: [Gap Exists] (51.72)
Intensity: [Moderate] (48.28)

Boston Red Sox (Fact Index 1.69):
Expected Win % is 59%, compared to a 43% actual win rate for identical index values.
Nevertheless, they maintain an actual win rate of 40% in this event.

Seattle Mariners (Fact Index 2.44):
Expected Win % is 41%, compared to a 57% actual win rate for identical index values.
However, they are currently recording a 60% actual win rate in this tournament.


Expected Win Percentage

Boston Red Sox:
T : 0.543 (0.569 / ▼0.026)
H : 0.522 (0.564 / ▼0.042)
A : 0.563 (0.574 / ▼0.011)
P : 0.333 (0.203 / ▲0.130)

Seattle Mariners:
T : 0.464 (0.442 / ▲0.022)
H : 0.544 (0.500 / ▲0.044)
A : 0.386 (0.395 / ▼0.009)
P : 0.167 (0.193 / ▼0.026)

* Note Abbr. : Season Win% ( Expected Win% / Season W% - Expected Win%)
** Abbr. T: Season, H: Home, A: Away, P: Power Ranking (Last 6)


Competition

Results of the same FACT INDEX : 30 Game(s) In real-time

HOME : 40%
0%
AWAY : 60%

The Favorite vs Underdog of the same FACT INDEX : 30 Game(s) in Average Odds

Favorite : 47%
0%
Underdog : 53%


Baseball

Results of the same FACT INDEX : 30 Game(s) In real-time

HOME : 43%
0%
AWAY : 57%

The Favorite vs Underdog of the same FACT INDEX : 30 Game(s) in Average Odds

Favorite : 50%
0%
Underdog : 50%

PREDICTION
Expected Runs (xR) : 7.3 - 4.1 (Model A.)
Boston Red Sox : 67% (▲ 8%)
0% (-)
Seattle Mariners : 33% (▼ 8%)

Expected Runs (xR) : 4.0 - 3.5 (Model B.4)
Boston Red Sox : 55% (▼ 4%)
0% (-)
Seattle Mariners : 45% (▲ 4%)

Model B is an experimental predictive simulation.
Current: ver. B.4 / Data Completion Rate : 100%

Since baseball involves two- or three-game series, this prediction could be for the whole series.

Fact Index - Prediction Variance


Average Odds : 1.8 - 2.1
Boston Red Sox : 54% (▼ 5%)
0% (-)
Seattle Mariners : 46% (▲ 5%)

Data Source: Oddsportal

Please feel free to research player deployments or other detailed matters on your own; a brief search will yield a wealth of information.
Fact Index - Average Odds Variance


Competition

Odds Trend: 30 game(s)

HOME : 50%
D : 0%
AWAY : 50%

Based on Home team = 1.8 (54%) Trend: 30 game(s)

HOME : 63%
D : 0%
AWAY : 37%


Baseball

Odds Trend: 30 game(s)

HOME : 50%
D : 0%
AWAY : 50%

Based on Home team = 1.8 (54%) Trend: 30 game(s)

HOME : 57%
D : 0%
AWAY : 43%


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