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MLBHead-to-HeadAll-Time

Cincinnati Reds vs Seattle Mariners · All-Time

Last updated: April 15, 2026

15 meetings tracked · closing-line graded

Across 15 all-time head-to-head meetings, Seattle Mariners lead 9-6. Games have averaged 9.8 combined points.

RECORD

6-9

MEETINGS

15

ATS

5-7

O / U

6-5

Key Insights

  • ▸Seattle Mariners lead 9-6 across 15 tracked meetings.
  • ▸Games have averaged 9.8 combined points.
  • ▸Seattle Mariners have been the better ATS side (7-5).

Year-by-Year Record

SeasonGamesCincinnati RedsSeattle MarinersATSO / UAvg Total
20263212-11-17.3
20253121-22-112.7
2024303—1-27.3
20233212-12-111.3
2019312——10.3

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Frequently Asked Questions

What is the Cincinnati Reds vs Seattle Mariners record all-time?▾

Across 15 all-time meetings, the Seattle Mariners lead the series 9-6.

What is the ATS trend in Cincinnati Reds vs Seattle Mariners games?▾

ATS: Cincinnati Reds are 5-7 vs the spread in these matchups. Seattle Mariners are 7-5.

Do Cincinnati Reds vs Seattle Mariners games go over or under?▾

Over/under: games between Cincinnati Reds and Seattle Mariners have gone over 6 times and under 5 times, with an average combined score of 9.8.

When did Cincinnati Reds and Seattle Mariners last play?▾

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

Where can I see the 5-year Cincinnati Reds vs Seattle Mariners history?▾

A 5-year head-to-head page tracks every Cincinnati Reds 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.

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.

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