Trendline Labs
MLBHead-to-HeadAll-Time

Seattle Mariners vs St. Louis Cardinals · All-Time

Last updated: April 15, 2026

12 meetings tracked · closing-line graded

Across 12 all-time head-to-head meetings, Seattle Mariners lead 8-4. Games have averaged 7.8 combined points.

RECORD

8-4

MEETINGS

12

ATS

6-3

O / U

4-5

Key Insights

  • Seattle Mariners lead 8-4 across 12 tracked meetings.
  • Games have averaged 7.8 combined points.
  • Seattle Mariners have been the better ATS side (6-3).

Year-by-Year Record

SeasonGamesSeattle MarinersSt. Louis CardinalsATSO / UAvg Total
20253301-26.7
20243212-11-27.7
20233211-22-18.7
20193128.3

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Frequently Asked Questions

What is the Seattle Mariners vs St. Louis Cardinals record all-time?

Across 12 all-time meetings, the Seattle Mariners lead the series 8-4.

What is the ATS trend in Seattle Mariners vs St. Louis Cardinals games?

ATS: Seattle Mariners are 6-3 vs the spread in these matchups. St. Louis Cardinals are 3-6.

Do Seattle Mariners vs St. Louis Cardinals games go over or under?

Over/under: games between Seattle Mariners and St. Louis Cardinals have gone over 4 times and under 5 times, with an average combined score of 7.8.

When did Seattle Mariners and St. Louis Cardinals last play?

See Last Meetings section for detailed score, spread, and total data from the most recent Seattle Mariners vs St. Louis Cardinals games.

Where can I see the 5-year Seattle Mariners vs St. Louis Cardinals history?

A 5-year head-to-head page tracks every Seattle Mariners vs St. Louis Cardinals 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 20192025. Older meetings aren't in this dataset yet.

Head-to-head data derived from closing-line game records. Stats update nightly from graded game results.

For informational and entertainment purposes only. Not betting advice. Please gamble responsibly.

Optimus

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