MLB Sims

Astros @ Cubs

2026-05-23

Wrigley Field · park factor 0.99 · first pitch 2026-05-23T18:20:00Z

Win probability

HOU
23.3%
CHC
65.6%
Extras needed
11.1%

Expected runs

HOU expected
3.86
CHC expected
5.56
Total expected
9.42
Total — 10/median/90
6 / 9 / 13

Most likely final scores

Score (HOU–CHC)Probability
3 – 53.51%
4 – 53.24%
3 – 63.12%
4 – 63.07%
3 – 43.05%
4 – 42.93%
2 – 52.81%
5 – 62.66%

Over / under

LineOverUnder
10.5 35.1% 64.9%
6.5 82.9% 17.1%
7.5 72.3% 27.7%
8.5 59.8% 40.2%
9.5 47.0% 53.0%
These numbers come from 10,000 Poisson simulations using season-to-date team strengths. No starting pitcher, lineup, or weather adjustment is applied (yet). Full methodology →