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: 53.9% (2,300 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 +1YELLOW ZONE55.9% WR (n=168)
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, yellow zone, 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 OAKYELLOW ZONEMODERATE 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. Full methodology →