MLB2026 season
Chicago White Sox vs Seattle Mariners
Head-to-head win probability for MLB. Next meeting when one is scheduled, otherwise the most recent game. This season's results use the last pre-kickoff number.
Most recent meeting
Wed, May 20, 2026
This season
2026 meetings. Pre-kickoff win probability and the result.
- CWS at SEAWed, May 20, 2026SEA 55%SEA 4–5
- CWS at SEATue, May 19, 2026SEA 55%CWS 2–1
- CWS at SEAMon, May 18, 2026SEA 55%SEA 1–6
- SEA at CWSSun, May 10, 2026CWS 55%CWS 1–2
- SEA at CWSSat, May 9, 2026CWS 55%CWS 1–6
- SEA at CWSFri, May 8, 2026CWS 55%SEA 12–8
- SEA at CWSSun, Mar 22, 2026CWS 55%SEA 4–2
- CWS at SEASat, Mar 7, 2026—CWS 5–1
Model record on this matchup
Graded on the last pre-kickoff win probability, the same rule as the accuracy page. Preseason excluded.
Hit rate
57%
4 of 7 decided games
Meetings graded
7
2026
Correct calls
4
Favorite won
Factor comparison
Each team's top factors from this page's featured meeting.
Chicago White Sox
- Offensive Efficiency — Chicago White Sox offense (4.8 R/G) outpaces Guardians (4.2 R/G)
Seattle Mariners
- Home Field Advantage — Mariners are 38-35 at home this season; Angels are 30-48 on the road
- Defensive Efficiency — Mariners pitching/defense (4.5 RA/G) better than Angels (4.6 RA/G)
- ELO Rating — Mariners ELO 1462 vs Angels ELO 1417 (diff: +46)
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