Chicago White Sox vs Seattle Mariners · All-Time
43 meetings tracked · closing-line graded
RECORD
15-28
MEETINGS
43
ATS
11-14
O / U
11-13
Key Insights
- ▸Seattle Mariners lead 28-15 across 43 tracked meetings.
- ▸Games have averaged 9.1 combined points.
- ▸Seattle Mariners have been the better ATS side (14-11).
- ▸Strong Under trend: 11-13 O/U.
Year-by-Year Record
| Season | Games | Chicago White Sox | Seattle Mariners | ATS | O / U | Avg Total |
|---|---|---|---|---|---|---|
| 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 43 all-time meetings, the Seattle Mariners lead the series 28-15.
What is the ATS trend in Chicago White Sox vs Seattle Mariners games?▾
ATS: Chicago White Sox are 11-14 vs the spread in these matchups. Seattle Mariners are 14-11.
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 11 times and under 13 times, with an average combined score of 9.1.
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 2018–2025. Older meetings aren't in this dataset yet.