Miami Marlins vs Seattle Mariners · All-Time
12 meetings tracked · closing-line graded
RECORD
6-6
MEETINGS
12
ATS
7-5
O / U
9-3
Key Insights
- ▸Series tied 6-6 across 12 tracked meetings.
- ▸Games have averaged 9.8 combined points.
- ▸Miami Marlins have been the better ATS side (7-5).
- ▸Strong Over trend: 9-3 O/U.
Year-by-Year Record
| Season | Games | Miami Marlins | Seattle Mariners | ATS | O / U | Avg Total |
|---|---|---|---|---|---|---|
| 2025 | 3 | 1 | 2 | 2-1 | — | 13.0 |
| 2024 | 3 | 2 | 1 | 2-1 | 2-1 | 8.0 |
| 2023 | 3 | 1 | 2 | 1-2 | 2-1 | 8.7 |
| 2022 | 3 | 2 | 1 | 2-1 | 2-1 | 9.3 |
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Frequently Asked Questions
What is the Miami Marlins vs Seattle Mariners record all-time?▾
Across 12 all-time meetings, the Miami Marlins lead the series 6-6.
What is the ATS trend in Miami Marlins vs Seattle Mariners games?▾
ATS: Miami Marlins are 7-5 vs the spread in these matchups. Seattle Mariners are 5-7.
Do Miami Marlins vs Seattle Mariners games go over or under?▾
Over/under: games between Miami Marlins and Seattle Mariners have gone over 9 times and under 3 times, with an average combined score of 9.8.
When did Miami Marlins and Seattle Mariners last play?▾
See Last Meetings section for detailed score, spread, and total data from the most recent Miami Marlins vs Seattle Mariners games.
Where can I see the 5-year Miami Marlins vs Seattle Mariners history?▾
A 5-year head-to-head page tracks every Miami Marlins vs Seattle Mariners meeting from the last five full seasons. Link at the bottom of this page.
Data coverage: Trendline's head-to-head records include closing-line-graded games from 2022–2025. Older meetings aren't in this dataset yet.