MLB Baseball

HOU vs WSH Prediction

July 8, 2026

10,000 Monte Carlo simulations

HOU vs WSH prediction for July 8, 2026: Our Monte Carlo simulation ran 10,000 game iterations and projects WSH 5.2 - HOU 4.8. WSH is favored with a 52.7% win probability. The run line is -1.5 and the total is 9.5. Model projects 10.1 total runs.

WSH
5.2
Projected Score
VS O/U 9.5
HOU
4.8
Projected Score
Win Probability
52.7%
47.3%
WSHHOU
-1.5
Run Line (WSH)
9.5
Total Line
10,000
Simulations
Calibrated accuracy at this confidence: 53.7% (2,780 games)

Projected Runs Range 10th – 90th percentile

HOU
357
WSH
357
FINALWSH 8 — HOU 2
Projected
WSH 5.2 — HOU 4.8
Actual
WSH 8 — HOU 2

Starting Pitcher Matchup

Spencer Arrighetti R
HOU
CU33%77 mph37% whiff
FF30%92 mph20% whiff
ST12%79 mph24% whiff
Foster Griffin L
WSH
FC31%88 mph18% whiff
FF18%92 mph17% whiff
ST15%80 mph29% whiff

Weather Impact

Nationals Park
83°F4 mph wind
HR: 1.015 Total: 1.006
thin air

Bullpen Comparison

HOU
4.13ERA
4.29FIP
8.50K/9
4.68BB/9
1.32WHIP
WSH
4.62ERA
4.93FIP
7.77K/9
4.06BB/9
1.38WHIP

Betting Edges

RUN_LINE AWAY +1.5
-35.7% EV
-175
F5_ML HOME
-10.7% EV
-156
ML HOME
-6.0% EV
-133
TOTAL OVER 9.5
-5.7% EV
-115
F5 OVER 5.5
+5.4% EV
+112
TOTAL UNDER 9.5
-3.3% EV
-105

First 5 Innings & NRFI

HOU F5
2.7 runs
41.0% win
WSH F5
3.0 runs
46.7% win
F5 Total
5.7
NRFI
44.5%
YRFI
55.5%
Avg 1st Inn Runs
1.26

HR Spotlight

Avg HRs
3.5
Over 0.5 HR
97%
Over 1.5 HR
86%
No HR
3%
Yordan Alvarez HOU30.0%
ISO: 0.330 | Barrel: 13.8% | vs Foster Griffin
Brice Matthews HOU30.0%
ISO: 0.255 | Barrel: 25.0% | vs Foster Griffin | Platoon: 1.12x
Christian Walker HOU30.0%
ISO: 0.241 | Barrel: 12.9% | vs Foster Griffin | Platoon: 1.12x

Pitcher Strikeout Projections

Spencer Arrighetti
0.0 K projected
HOU | K/9: 0.0
Foster Griffin
0.0 K projected
WSH | K/9: 0.0

Injury Report

HOU8 injured
Ronel Blanco SP60-DAY-IL
Lance McCullers Jr. SP15-DAY-IL
Bennett Sousa RP60-DAY-IL
Hayden Wesneski SP60-DAY-IL
Jeremy Pena SS10-DAY-IL
Kai-Wei Teng RP15-DAY-IL
+2 more
WSH8 injured
Cade Cavalli SPSUSPENSION
Trevor Williams SP60-DAY-IL
Jake Irvin SP15-DAY-IL
Mitchell Parker RP60-DAY-IL
Richard Lovelady RP15-DAY-IL
DJ Herz SP60-DAY-IL
+2 more

AI Intelligence Analysis

NEUTRALYELLOW ZONE50.0% WR (n=0)
Model is uncertain (52.7% WSH win prob, nearly coin-flip). Neither pitcher stands out (Griffin B-, Arrighetti B-), both lineup projections ~5 runs. F5 OVER at +5.4% edge (49.7% prob) and general totals near break-even (-3.3% UNDER, 49.6%) suggest model lacks conviction. No weather tail (83F neutral), no injury catalyst. This is a baseline neutral game with no edge to exploit.

Key Factors

  • Model win prob: WSH 52.7% (almost 50-50), indicating minimal difference between teams
  • SP grades: Griffin (B-, 0.534 grade, 8.5 K/9) vs Arrighetti (B-, 0.458 grade, 8.6 K/9) — extremely similar, near perfect matchup with neither dominant
  • Totals: Model 10.09 vs market 9.5 = slight inflation, but edge negligible (-3.3% UNDER, -5.7% OVER); neither direction has conviction
  • Weather: 83F, light wind (tail -3.0mph) — neutral baseline at Nationals Park, no scoring edge

Risk Factors

  • F5 OVER edge (+5.4%) contradicts daily UNDER edge (-3.3%), suggesting model uncertainty on run timing
  • Both teams have offensive talent (HOU Alvarez, WSH lineup capable), but projections are middle-tier
  • No bullpen fatigue signal; unclear recent usage
NEUTRAL GAMECOIN FLIP WIN PROBBOTH B MINUS SPSNO WEATHER CATALYST

Edge Analysis

Moneyline
WSH 52.7%
-0.3 pts
Run Line
-1.5
-0.3 pts
Total
9.5
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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 →

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