⚓
Seattle Mariners Analytics
2025 Championship → 2026 Historic Implosion
2025 Season Record
90–72
.556 Win Pct · AL West Champions
2026 Record
56–63
.471 Win Pct · 3rd AL West
Projected Full-Season Pace
61–101
Projected 85-win drop from 2025
Season Visualization
Cumulative Win Percentage & Record
Season progression using game-log checkpoints
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Monthly Win Percentage
Volatility from March through August
Sweep Summary
Series-level results
6
Series Swept
4
Sweeps Against
56W
Wins This Season
15L
July Losses
Season Breakdown
March
2–3
.400
Mediocre opener; no early momentum.
April
13–14
.481
Mediocre but salvageable.
May
17–13
.567
Above .500 but no cushion built.
June
15–13
.536
Lead evaporated. Flipped to third.
July
9–15
.375
15 losses. The collapse became critical.
August
3–5
.375
Elimination risk rises daily.
Core Analysis
Cal Raleigh (C)
| Category | 2025 | 2026 |
|---|---|---|
| Home Runs | 60 — MLB Record | Well off pace |
| Awards | Silver Slugger | Diminished impact |
⚓ The Nucleus Status
2025 Core: Raleigh, Julio, Arozarena, Woo, Muñoz.
- Julio Rodríguez: great → merely acceptable
- Arozarena: regression from breakout years
- Woo / Muñoz: performance deterioration
June–July Composite
The drop-off became structural rather than temporary.
Run Differential
Deeply negative, indicating broader pitching and run-prevention failures.
Division Lead Gone
The advantage evaporated during June and July.
Historical Context
2024:
Wild Card berth
2025:
AL West Champions — first division title since 2001
2026:
Third place with a projected 100-plus losses
A fall from champion to last-place-adjacent in twelve months represents a severe organizational collapse.
Series Breakdown
| # | Dates | Opponent | Games | MAR W-L | Result |
|---|