MLB Sims

D-backs @ Mariners

2026-05-31

T-Mobile Park · park factor 0.93 · first pitch 2026-05-31T20:10:00Z

Win probability

ARI
33.8%
SEA
52.7%
Extras needed
13.6%

Expected runs

ARI expected
3.78
SEA expected
4.50
Total expected
8.28
Total — 10/median/90
5 / 8 / 12

Most likely final scores

Score (ARI–SEA)Probability
4 – 43.88%
3 – 43.87%
4 – 33.51%
3 – 53.39%
3 – 33.16%
4 – 53.12%
2 – 42.98%
5 – 42.85%

Over / under

LineOverUnder
10.5 21.6% 78.4%
6.5 72.8% 27.2%
7.5 58.5% 41.5%
8.5 44.6% 55.4%
9.5 32.0% 68.0%
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 →