MLB Sims

Cubs @ Cardinals

2026-05-31

Busch Stadium · park factor 0.96 · first pitch 2026-05-31T23:20:00Z

Win probability

CHC
58.2%
STL
29.7%
Extras needed
12.1%

Expected runs

CHC expected
5.40
STL expected
4.21
Total expected
9.61
Total — 10/median/90
6 / 9 / 14

Most likely final scores

Score (CHC–STL)Probability
5 – 43.44%
5 – 33.26%
4 – 43.09%
4 – 32.98%
4 – 52.98%
6 – 42.95%
5 – 52.78%
6 – 32.78%

Over / under

LineOverUnder
10.5 36.6% 63.4%
6.5 85.0% 15.0%
7.5 74.9% 25.1%
8.5 62.3% 37.7%
9.5 49.0% 51.0%
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 →