Results & splits
Season records, home and road performance, and game-by-game results.
MLB · Team research
Seattle Mariners
American League · American League West · 2026 membership
Season archive · 2015 onward
2026 season
What this page will cover
As verified data becomes available, this archive will grow into a team research resource. Matchup tools will be built on the same season and game records.
Team & pitching metrics
Run production, pitching performance, starters, and bullpen context.
Market history
Moneylines, run lines, totals, and closing-line results when verified sources are available.
Historical conference and division membership will follow each season's source records. Today's affiliation is not applied retroactively.
Team identity and logo: ESPN team directory. Game statistics and betting-line coverage will carry separate sources when added.