Colorado Rockies vs Seattle Mariners · All-Time
25 meetings tracked · closing-line graded
RECORD
11-14
MEETINGS
25
ATS
6-6
O / U
4-8
Key Insights
- ▸Seattle Mariners lead 14-11 across 25 tracked meetings.
- ▸Games have averaged 7.8 combined points.
- ▸Strong Under trend: 4-8 O/U.
Year-by-Year Record
| Season | Games | Colorado Rockies | Seattle Mariners | ATS | O / U | Avg Total |
|---|---|---|---|---|---|---|
| 2026 | 3 | 1 | 2 | — | — | 6.7 |
| 2025 | 3 | 0 | 3 | 1-2 | 2-1 | 8.7 |
| 2024 | 3 | 1 | 2 | 1-2 | 1-2 | 7.3 |
| 2023 | 3 | 0 | 3 | 1-2 | 1-2 | 6.7 |
| 2021 | 4 | 2 | 2 | — | — | 7.3 |
| 2020 | 3 | 2 | 1 | — | — | 8.3 |
| 2018 | 6 | 5 | 1 | — | — | 8.8 |
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Frequently Asked Questions
What is the Colorado Rockies vs Seattle Mariners record all-time?▾
Across 25 all-time meetings, the Seattle Mariners lead the series 14-11.
What is the ATS trend in Colorado Rockies vs Seattle Mariners games?▾
ATS: Colorado Rockies are 6-6 vs the spread in these matchups. Seattle Mariners are 6-6.
Do Colorado Rockies vs Seattle Mariners games go over or under?▾
Over/under: games between Colorado Rockies and Seattle Mariners have gone over 4 times and under 8 times, with an average combined score of 7.8.
When did Colorado Rockies and Seattle Mariners last play?▾
See Last Meetings section for detailed score, spread, and total data from the most recent Colorado Rockies vs Seattle Mariners games.
Where can I see the 5-year Colorado Rockies vs Seattle Mariners history?▾
A 5-year head-to-head page tracks every Colorado Rockies 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 2018–2026. Older meetings aren't in this dataset yet.