BAL vs BOS prediction for June 4, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects BOS 4.9 - BAL 6.8. BAL is favored with a 63.0% win probability. The run line is 1.5 and the total is 10.5. Model projects 11.7 total runs.
BOS
4.9
Projected Score
VS
O/U 10.5
BAL
6.8
Projected Score
Win Probability
BOSBAL
+1.5
Run Line (BOS)
10.5
Total Line
10,000
Simulations
Calibrated accuracy at this confidence: 62.2% (1,970 games)
Projected Runs Range 10th – 90th percentile
BAL
579
BOS
357
Projected
BOS 4.9 — BAL 6.8
Actual
BOS 2 — BAL 8
Starting Pitcher Matchup
Trevor Rogers L
BAL
FF42%93 mph17% whiff
CH23%87 mph24% whiff
SI12%93 mph11% whiff
Brayan Bello R
BOS
SI43%95 mph14% whiff
FC17%87 mph42% whiff
CH16%88 mph27% whiff
Weather Impact
Fenway Park
88°F9 mph wind
HR: 0.995 Total: 0.994
thin air, 7mph in
Bullpen Comparison
BAL
4.51ERA
3.86FIP
9.09K/9
3.75BB/9
1.35WHIP
BOS
4.00ERA
4.17FIP
9.13K/9
3.47BB/9
1.31WHIP
Betting Edges
RUN_LINE HOME +1.5
-46.8% EV
-179
ML HOME
-24.2% EV
-112
F5_ML HOME
-19.8% EV
-114
RUN_LINE AWAY -1.5
+18.9% EV
+146
ML AWAY
+17.4% EV
-104
TOTAL UNDER 10.5
-13.6% EV
-115
First 5 Innings & NRFI
BAL F5
3.8 runs
53.3% win
BOS F5
2.9 runs
35.6% win
F5 Total
6.8
NRFI
46.0%
YRFI
54.0%
Avg 1st Inn Runs
1.30
HR Spotlight
Avg HRs
2.9
Over 0.5 HR
94%
Over 1.5 HR
78%
No HR
6%
Samuel Basallo BAL30.0%
ISO: 0.276 | Barrel: 12.8% | vs Brayan Bello | Park: 1.08x Platoon: 1.12x
Adley Rutschman BAL30.0%
ISO: 0.237 | Barrel: 10.7% | vs Brayan Bello | Park: 1.08x Platoon: 1.12x
Gunnar Henderson BAL30.0%
ISO: 0.178 | Barrel: 10.4% | vs Brayan Bello | Park: 1.08x Platoon: 1.12x
Pitcher Strikeout Projections
Trevor Rogers
0.0 K projected
BAL | K/9: 0.0
Brayan Bello
0.0 K projected
BOS | K/9: 0.0
Injury Report
BAL8 injured
Chris Bassitt SPDAY-TO-DAY
Ryan Helsley RP15-DAY-IL
Dean Kremer SP60-DAY-IL
Levi Wells PDAY-TO-DAY
Dylan Beavers RF10-DAY-IL
Cade Povich SP15-DAY-IL
+2 more
BOS8 injured
Romy Gonzalez 1B60-DAY-IL
Patrick Sandoval SP60-DAY-IL
Nick Sogard 3B10-DAY-IL
Garrett Crochet SP15-DAY-IL
Kutter Crawford SP60-DAY-IL
Garrett Whitlock RP15-DAY-IL
+2 more
AI Intelligence Analysis
NEUTRAL -2RED ZONE45.5% WR (n=193)
High edge warning (17.4% ML edge on away favorite) + red zone away ML performance (45.5% WR) + pitcher mismatch conflict (away team has weaker starter) = model overconfidence trap. Both pitchers have poor ERAs (6.08 vs 7.39); high variance game masking as a value.
Key Factors
- Pitcher quality conflict: Rogers (7.39 ERA, C/C grades) is WORSE than Bello (6.08 ERA, C+/C grades), yet model gives 63% to away BAL — violates pitcher hierarchy
- HIGH EDGE WARNING: 17.4% edge on away favorite (model 59.9% vs market 51.0%) is textbook overconfidence pattern — historically 40-45% WR in this bucket
- Red zone trap: Away ML historically 45.5% WR (n=193), worst-performing combo zone
- Bullpen: BAL 4.51 ERA vs BOS 4.0 ERA; BOS has slight edge in relief depth
- Weather suppresses runs: 87.8F, 9.4 mph wind BLOWING IN (-7.2 drift), humidity 23% — model 11.67 total vs market 10.5 suggests model overestimating runs
Risk Factors
- Both starters have high walk rates (8.2-8.3%), creating high variance and blow-ups
- Data integrity issue: Model should penalize away team with WORSE pitcher (Rogers 7.39 > Bello 6.08 ERA), not reward it with +17.4% edge
- Calibration failure: ML threshold disabled; this game exceeds typical edge thresholds yet historical performance is poor
HIGH EDGE WARNINGRED ZONEPITCHER MISMATCHDATA INTEGRITYCALIBRATION FAILURE
Edge Analysis
Moneyline
BAL 63.0%
-46.8 pts
Run Line
+1.5
-46.8 pts
Total
10.5
+4.9 pts
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 →