Arizona Diamondbacks vs Seattle Mariners · All-Time
15 meetings tracked · closing-line graded
RECORD
7-8
MEETINGS
15
ATS
5-4
O / U
2-7
Key Insights
- ▸Seattle Mariners lead 8-7 across 15 tracked meetings.
- ▸Games have averaged 7.7 combined points.
- ▸Strong Under trend: 2-7 O/U.
Year-by-Year Record
| Season | Games | Arizona Diamondbacks | Seattle Mariners | ATS | O / U | Avg Total |
|---|---|---|---|---|---|---|
| 2025 | 3 | 3 | 0 | — | 2-1 | 10.7 |
| 2024 | 3 | 1 | 2 | 1-2 | — | 5.3 |
| 2023 | 3 | 1 | 2 | 1-2 | — | 6.0 |
| 2020 | 3 | 1 | 2 | — | — | 9.0 |
| 2018 | 3 | 1 | 2 | — | — | 7.7 |
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Frequently Asked Questions
What is the Arizona Diamondbacks vs Seattle Mariners record all-time?▾
Across 15 all-time meetings, the Seattle Mariners lead the series 8-7.
What is the ATS trend in Arizona Diamondbacks vs Seattle Mariners games?▾
ATS: Arizona Diamondbacks are 5-4 vs the spread in these matchups. Seattle Mariners are 4-5.
Do Arizona Diamondbacks vs Seattle Mariners games go over or under?▾
Over/under: games between Arizona Diamondbacks and Seattle Mariners have gone over 2 times and under 7 times, with an average combined score of 7.7.
When did Arizona Diamondbacks and Seattle Mariners last play?▾
See Last Meetings section for detailed score, spread, and total data from the most recent Arizona Diamondbacks vs Seattle Mariners games.
Where can I see the 5-year Arizona Diamondbacks vs Seattle Mariners history?▾
A 5-year head-to-head page tracks every Arizona Diamondbacks 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 2018–2025. Older meetings aren't in this dataset yet.