Seattle Mariners Head-to-Head Records
Last updated: April 15, 2026
2026 season · 29 tracked opponents
The Seattle Mariners have tracked head-to-head records against 29 opponents in 2026. Browse each matchup below for ATS, total, and last-meeting breakdowns.
TRACKED OPPONENTS
29
TOTAL MEETINGS
1207
Head-to-Head Opponents
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Frequently Asked Questions
How many opponents have the Seattle Mariners played this season?▾
The Seattle Mariners have tracked head-to-head records against 29 opponents this season.
Which opponents have the Seattle Mariners played most often?▾
See the opponents table above for a full matchup-by-matchup record breakdown.
How far back does the Seattle Mariners H2H data go?▾
Current-season H2H pages cover this season. Last-5-years H2H pages go back through the previous five full seasons.
Where can I see other Seattle Mariners betting records?▾
Beyond head-to-head, we track Seattle Mariners ATS, moneyline, over/under, home/away, and situational records — see the links below.
What's the difference between the current and 5-year pages?▾
Current-season H2H covers this season's meetings. Last-5-years H2H records all meetings from the past five full seasons — useful for longer-term matchup trends.