Chicago White Sox vs Seattle Mariners · All-Time
49 meetings tracked · closing-line graded
RECORD
18-31
MEETINGS
49
ATS
15-16
O / U
13-16
Key Insights
- ▸Seattle Mariners lead 31-18 across 49 tracked meetings.
- ▸Games have averaged 8.9 combined points.
- ▸Strong Under trend: 13-16 O/U.
Year-by-Year Record
| Season | Games | Chicago White Sox | Seattle Mariners | ATS | O / U | Avg Total |
|---|---|---|---|---|---|---|
| 2026 | 6 | 3 | 3 | 4-2 | 2-3 | 8.2 |
| 2025 | 6 | 1 | 5 | 3-3 | 3-3 | 8.3 |
| 2024 | 7 | 1 | 6 | 3-4 | 4-3 | 7.9 |
| 2023 | 6 | 2 | 4 | 3-3 | 2-3 | 8.7 |
| 2022 | 6 | 4 | 2 | 2-4 | 2-4 | 7.3 |
| 2021 | 6 | 3 | 3 | — | — | 10.2 |
| 2019 | 6 | 2 | 4 | — | — | 14.3 |
| 2018 | 6 | 2 | 4 | — | — | 6.8 |
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Frequently Asked Questions
What is the Chicago White Sox vs Seattle Mariners record all-time?▾
Across 49 all-time meetings, the Seattle Mariners lead the series 31-18.
What is the ATS trend in Chicago White Sox vs Seattle Mariners games?▾
ATS: Chicago White Sox are 15-16 vs the spread in these matchups. Seattle Mariners are 16-15.
Do Chicago White Sox vs Seattle Mariners games go over or under?▾
Over/under: games between Chicago White Sox and Seattle Mariners have gone over 13 times and under 16 times, with an average combined score of 8.9.
When did Chicago White Sox and Seattle Mariners last play?▾
See Last Meetings section for detailed score, spread, and total data from the most recent Chicago White Sox vs Seattle Mariners games.
Where can I see the 5-year Chicago White Sox vs Seattle Mariners history?▾
A 5-year head-to-head page tracks every Chicago White Sox 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.