Trendline Labs
MLBHead-to-HeadAll-Time

Seattle Mariners vs Tampa Bay Rays · All-Time

Last updated: April 15, 2026

46 meetings tracked · closing-line graded

Across 46 all-time head-to-head meetings, Seattle Mariners lead 25-21. Games have averaged 8.7 combined points.

RECORD

25-21

MEETINGS

46

ATS

11-15

O / U

16-8

Key Insights

  • Seattle Mariners lead 25-21 across 46 tracked meetings.
  • Games have averaged 8.7 combined points.
  • Tampa Bay Rays have been the better ATS side (15-11).
  • Strong Over trend: 16-8 O/U.

Year-by-Year Record

SeasonGamesSeattle MarinersTampa Bay RaysATSO / UAvg Total
20256332-45-110.2
20246334-22-37.8
20237341-66-110.9
20227254-33-37.9
20217618.4
20196249.0
20187617.0

Ask Optimus about Seattle Mariners vs Tampa Bay Rays

Pick a starter or type your own. First query is free.

First query free

More from this matchup

Frequently Asked Questions

What is the Seattle Mariners vs Tampa Bay Rays record all-time?

Across 46 all-time meetings, the Seattle Mariners lead the series 25-21.

What is the ATS trend in Seattle Mariners vs Tampa Bay Rays games?

ATS: Seattle Mariners are 11-15 vs the spread in these matchups. Tampa Bay Rays are 15-11.

Do Seattle Mariners vs Tampa Bay Rays games go over or under?

Over/under: games between Seattle Mariners and Tampa Bay Rays have gone over 16 times and under 8 times, with an average combined score of 8.7.

When did Seattle Mariners and Tampa Bay Rays last play?

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

Where can I see the 5-year Seattle Mariners vs Tampa Bay Rays history?

A 5-year head-to-head page tracks every Seattle Mariners vs Tampa Bay Rays 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 20182025. 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

Matchups

Systems

Titan