MLB Baseball

BOS vs CWS Prediction

July 9, 2026

10,000 Monte Carlo simulations

BOS vs CWS prediction for July 9, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects CWS 4.5 - BOS 4.0. CWS is favored with a 54.4% win probability. The run line is -1.5 and the total is 9.0. Model projects 8.4 total runs.

CWS
4.5
Projected Score
VS O/U 9.0
BOS
4.0
Projected Score
Win Probability
54.4%
45.6%
CWSBOS
-1.5
Run Line (CWS)
9.0
Total Line
10,000
Simulations
Calibrated accuracy at this confidence: 52.9% (2,789 games)

Projected Runs Range 10th – 90th percentile

BOS
246
CWS
346
FINALCWS 1 — BOS 2
Projected
CWS 4.5 — BOS 4.0
Actual
CWS 1 — BOS 2

Starting Pitcher Matchup

Patrick Sandoval L
BOS
Anthony Kay L
CWS
FF24%96 mph16% whiff
ST22%82 mph34% whiff
SI18%95 mph15% whiff

Weather Impact

Guaranteed Rate Field
77°F7 mph wind
HR: 1.002 Total: 0.998
thin air, 7mph in

Bullpen Comparison

BOS
3.90ERA
4.18FIP
9.00K/9
3.45BB/9
1.30WHIP
CWS
4.29ERA
4.67FIP
8.64K/9
4.97BB/9
1.34WHIP

Betting Edges

RUN_LINE AWAY +1.5
-41.2% EV
-192
F5_ML AWAY
-14.5% EV
-104
TOTAL OVER 9.0
-14.0% EV
-106
RUN_LINE HOME -1.5
+7.4% EV
+160
ML AWAY
-5.1% EV
+106
TOTAL UNDER 9.0
+4.7% EV
-114

First 5 Innings & NRFI

BOS F5
2.2 runs
36.4% win
CWS F5
2.7 runs
50.0% win
F5 Total
4.9
NRFI
50.2%
YRFI
49.8%
Avg 1st Inn Runs
1.10

HR Spotlight

Avg HRs
2.6
Over 0.5 HR
92%
Over 1.5 HR
73%
No HR
8%
Ceddanne Rafaela BOS30.0%
ISO: 0.246 | Barrel: 9.2% | vs Anthony Kay | Park: 1.01x Platoon: 1.12x
Andruw Monasterio BOS28.6%
ISO: 0.239 | Barrel: 5.3% | vs Anthony Kay | Park: 1.01x Platoon: 1.12x
Colson Montgomery CWS21.7%
ISO: 0.249 | Barrel: 14.4% | vs Patrick Sandoval | Park: 1.01x Platoon: 1.12x

Pitcher Strikeout Projections

Patrick Sandoval
0.0 K projected
BOS | K/9: 0.0
Anthony Kay
0.0 K projected
CWS | K/9: 0.0

Injury Report

BOS8 injured
Anthony Seigler 2BDAY-TO-DAY
Willson Contreras 1BDAY-TO-DAY
Ranger Suarez SPDAY-TO-DAY
Johan Oviedo SP60-DAY-IL
Tanner Houck SP60-DAY-IL
Trevor Story SS60-DAY-IL
+2 more
CWSHealthy

AI Intelligence Analysis

NEUTRAL -1YELLOW ZONE50.2% WR (n=341)
Patrick Sandoval is TBD (no pitcher profile data available)—automatic disqualification per data integrity rules. Anthony Kay (C+, 4.63 ERA) vs unknown starter creates unquantifiable risk. RUN_LINE edge 7.4% is unusual (spread play instead of ML/total dominance) suggesting model has low confidence on directional calls. Cool weather (77.1°F, 7 mph wind IN) and weak scoring environment support UNDER, but without Sandoval profile cannot validate pitcher analysis. Data integrity failure.

Key Factors

  • Patrick Sandoval (BOS away) is TBD: zero K rate, zero BB rate, empty pitch mix in profile—DATA MISSING
  • Anthony Kay (CWS home): C+ grade (0.356 overall), 4.63 Bayesian ERA, 8.0 K/9, 9.1% BB rate—below-average starter
  • Temperature 77.1°F (cool) + 7 mph wind IN (suppresses) = 0.998 total mult—slight under bias in conditions
  • All model edges are weak: HOME ML -2.4%, AWAY ML -5.1%, UNDER 4.7%, RUN_LINE 7.4%—lack of conviction across all markets
  • Model projects 8.43 runs vs market 9.0; minimal gap (0.57 runs) suggests near-equilibrium

Risk Factors

  • TBD PITCHER (Sandoval): Cannot validate starting pitcher quality without profile data; automatic SKIP per data integrity rules
  • No clear edge in any market (all <5% except RUN_LINE 7.4%)—scattered model signals suggest low confidence
  • Recent 14-day performance shows HOME underdog ML at 22.2% WR (2-7)—risky spot for CWS
TBD PITCHERDATA INTEGRITYWEAK EDGES

Edge Analysis

Moneyline
CWS 54.4%
+7.4 pts
Run Line
-1.5
+7.4 pts
Total
9.0
+4.7 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 →

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