MLB Sims

D-backs @ Mariners

2026-05-30

T-Mobile Park · park factor 0.93 · first pitch 2026-05-31T02:10:00Z

Win probability

ARI
36.4%
SEA
49.6%
Extras needed
14.0%

Expected runs

ARI expected
3.99
SEA expected
4.48
Total expected
8.47
Total — 10/median/90
5 / 8 / 12

Most likely final scores

Score (ARI–SEA)Probability
4 – 43.77%
3 – 43.71%
4 – 53.48%
3 – 33.38%
3 – 53.31%
4 – 33.29%
2 – 42.97%
5 – 42.92%

Over / under

LineOverUnder
10.5 23.0% 77.0%
6.5 72.8% 27.2%
7.5 60.0% 40.0%
8.5 46.3% 53.7%
9.5 33.4% 66.6%
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 →