Chicago Cubs vs Seattle Mariners · All-Time
16 meetings tracked · closing-line graded
RECORD
10-6
MEETINGS
16
ATS
8-4
O / U
7-5
Key Insights
- ▸Chicago Cubs lead 10-6 across 16 tracked meetings.
- ▸Games have averaged 11.1 combined points.
- ▸Chicago Cubs have been the better ATS side (8-4).
- ▸Strong Over trend: 7-5 O/U.
Year-by-Year Record
| Season | Games | Chicago Cubs | Seattle Mariners | ATS | O / U | Avg Total |
|---|---|---|---|---|---|---|
| 2026 | 3 | 1 | 2 | — | — | 13.7 |
| 2025 | 3 | 1 | 2 | 1-2 | — | 16.7 |
| 2024 | 3 | 2 | 1 | 2-1 | — | 5.3 |
| 2023 | 3 | 2 | 1 | 2-1 | 1-2 | 11.7 |
| 2019 | 4 | 4 | 0 | — | — | 8.8 |
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Frequently Asked Questions
What is the Chicago Cubs vs Seattle Mariners record all-time?▾
Across 16 all-time meetings, the Chicago Cubs lead the series 10-6.
What is the ATS trend in Chicago Cubs vs Seattle Mariners games?▾
ATS: Chicago Cubs are 8-4 vs the spread in these matchups. Seattle Mariners are 4-8.
Do Chicago Cubs vs Seattle Mariners games go over or under?▾
Over/under: games between Chicago Cubs and Seattle Mariners have gone over 7 times and under 5 times, with an average combined score of 11.1.
When did Chicago Cubs and Seattle Mariners last play?▾
See Last Meetings section for detailed score, spread, and total data from the most recent Chicago Cubs vs Seattle Mariners games.
Where can I see the 5-year Chicago Cubs vs Seattle Mariners history?▾
A 5-year head-to-head page tracks every Chicago Cubs 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 2019–2026. Older meetings aren't in this dataset yet.