MLB2026 season
Pittsburgh Pirates 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
Thu, Jun 25, 2026
This season
2026 meetings. Pre-kickoff win probability and the result.
Model record on this matchup
Graded on the last pre-kickoff win probability, the same rule as the accuracy page. Preseason excluded.
Hit rate
67%
2 of 3 decided games
Meetings graded
3
2026
Correct calls
2
Favorite won
Factor comparison
Each team's top factors from this page's featured meeting.
Pittsburgh Pirates
- Injuries — Pirates healthier (5 out, 0 doubtful) vs Tigers (13 out, 0 doubtful)
- Offensive Efficiency — Pirates offense (4.7 R/G) outpaces Tigers (4.5 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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