SEA vs OAK prediction for May 27, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects OAK 4.5 - SEA 4.2. OAK is favored with a 55.8% win probability. The run line is 1.5 and the total is 9.0. Model projects 8.7 total runs.
OAK
4.5
Projected Score
VS
O/U 9.0
SEA
4.2
Projected Score
Win Probability
OAKSEA
+1.5
Run Line (OAK)
9.0
Total Line
10,000
Simulations
Calibrated accuracy at this confidence: 54.0% (2,610 games)
Projected Runs Range 10th – 90th percentile
SEA
246
OAK
346
Projected
OAK 4.5 — SEA 4.2
Actual
OAK 1 — SEA 9
Starting Pitcher Matchup
Logan Gilbert R
SEA
FF32%95 mph14% whiff
SL22%86 mph36% whiff
FS15%81 mph35% whiff
Jeffrey Springs L
OAK
FF44%91 mph12% whiff
SL23%84 mph24% whiff
CH23%79 mph39% whiff
Weather Impact
Oakland Coliseum
67°F6 mph wind
HR: 0.983 Total: 0.989
6mph in
Bullpen Comparison
SEA
2.96ERA
3.57FIP
9.16K/9
3.36BB/9
1.32WHIP
OAK
4.08ERA
3.77FIP
9.09K/9
4.09BB/9
1.38WHIP
Betting Edges
RUN_LINE HOME +1.5
-28.0% EV
-156
RUN_LINE AWAY -1.5
-24.2% EV
+130
TOTAL OVER 9.0
-22.5% EV
-110
F5_ML AWAY
-19.2% EV
-132
ML AWAY
-17.6% EV
-127
ML HOME
+12.3% EV
+108
First 5 Innings & NRFI
SEA F5
2.2 runs
36.5% win
OAK F5
2.7 runs
48.1% win
F5 Total
4.9
NRFI
52.8%
YRFI
47.2%
Avg 1st Inn Runs
0.99
HR Spotlight
Avg HRs
2.5
Over 0.5 HR
91%
Over 1.5 HR
70%
No HR
9%
Shea Langeliers OAK30.0%
ISO: 0.255 | Barrel: 14.4% | vs Logan Gilbert | Park: 0.94x
Tyler Soderstrom OAK30.0%
ISO: 0.209 | Barrel: 9.3% | vs Logan Gilbert | Park: 0.94x Platoon: 1.12x
Zack Gelof OAK30.0%
ISO: 0.200 | Barrel: 9.4% | vs Logan Gilbert | Park: 0.94x
Pitcher Strikeout Projections
Logan Gilbert
0.0 K projected
SEA | K/9: 0.0
Jeffrey Springs
0.0 K projected
OAK | K/9: 0.0
Injury Report
SEA8 injured
Miles Mastrobuoni 3B60-DAY-IL
Cal Raleigh C10-DAY-IL
Spencer Packard OFDAY-TO-DAY
Brendan Donovan 3B10-DAY-IL
Teddy McGraw SPDAY-TO-DAY
Logan Evans SP60-DAY-IL
+2 more
OAK6 injured
Denzel Clarke CF60-DAY-IL
Aaron Civale SP15-DAY-IL
Max Muncy 3B10-DAY-IL
Jacob Wilson SS10-DAY-IL
Gunnar Hoglund SP60-DAY-IL
Brooks Kriske RP15-DAY-IL
AI Intelligence Analysis
LEAN +1
Model gives OAK home 55.8% (54.0% model prob vs 48.1% market), +12.3% edge. Both SPs similarly matched (Springs 4.44 ERA vs Gilbert 4.36 ERA, nearly identical). Home field advantage in Oakland (1.03 park factor), neutral weather (66.7°F, 6.4 mph in = -0.6 runs). Edge is within calibration bounds (10-15% range, historically mixed, 55.9% historical WR). LEAN justified.
Key Factors
- SP parity: Springs 4.44 ERA vs Gilbert 4.36 ERA — nearly identical quality. Springs is LHP (28.9% of league), facing SEA (mixed handedness). Gilbert RHP command (72.2% grade) slightly better than Springs (62.9% grade).
- Home field edge: Oakland +1.03 park factor, neutral weather (66.7°F). Typical +2-3% win prob swing. Model's +6pt edge consistent with this.
- Road team weakness: SEA is away team, zone shows away ML base rate 44.1% WR. Structural disadvantage favors home.
- Bullpen comparison: OAK 4.08 ERA (K/9: 9.09) vs SEA 2.96 ERA (K/9: 9.16, superior) — SEA bullpen BETTER. Slight offset to OAK home advantage.
- Edge calibration: 12.3% edge is in 10-15% bucket, which shows 58.1% historical WR. Safe zone. Not high-edge trap.
Risk Factors
- Bullpen disadvantage: OAK closer 5.47 ERA is worst in MLB nearly — late-game vulnerability if tied.
- SEA road weakness: Away team historically underperforms, but SEA's bullpen advantage (2.96 ERA) could offset.
- Moderate edge: 12.3% is not transformative. Realistic expectation is 55-58% win rate, not 65%.
HOME FIELD ADVANTAGEBALANCED PITCHINGINJURY SLIGHT OAKMODERATE EDGE
Edge Analysis
Moneyline
OAK 55.8%
-28.0 pts
Run Line
+1.5
-28.0 pts
Total
9.0
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How this prediction was generated: This page shows output from the Olympus Bets MLB Baseball Monte Carlo engine. Each game is simulated 10,000 times using real-time team data, injury reports, and current odds. Probabilities are calibrated using Bayesian methods and sized via the Kelly Criterion. Probabilities are calibrated using Bayesian methods and sized via the Kelly Criterion. Full methodology →
Permanent record: this game page is retired 90 days after the event. The full graded MLB 2026 record — every pick, win rate, units and ROI — lives on the MLB 2026 season report card.