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MLBSeattle MarinersAgainst the Spread

Seattle Mariners Against the Spread Record

#20 / 30 MLB
Last updated: April 15, 2026

2026 season · 18 graded games

The Seattle Mariners are 8-10 on the against the spread in 2026, covering at a 44.4% rate across 18 graded games. Ranks #20 of 30 MLB teams in this cut.

RECORD

8-10

HIT RATE

44.44%

GRADED GAMES

18

CURRENT STREAK

L15

Splits

SplitRecordHit Rate
Away2-528.6%
Home6-554.5%
As Favorite6-940.0%
As Underdog2-166.7%

Key Insights

  • Stark home/road split — notably stronger home.
  • Much better as an underdog this season.

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Frequently Asked Questions

What is the Seattle Mariners ATS record 2026?

Seattle Mariners are 8-10 against the spread in 2026, covering at a 44.4% rate over 18 graded games.

Do the Seattle Mariners cover better at home or on the road?

At home: 6-5 (54.5%). On the road: 2-5 (28.6%).

Are the Seattle Mariners covering the spread more than league average?

League-average ATS cover rate is ~50%. Seattle Mariners are covering at 44.4% this season — below the league average.

What is Seattle Mariners's recent ATS streak?

Recent ATS form: LWWLWLLWLL. W = cover, L = non-cover, . = push or no closing line.

Where do the Seattle Mariners rank in MLB ATS cover rate?

Seattle Mariners rank #20 of 30 MLB teams in ATS cover rate this season.

Records derived from closing-line game data. Every stat here is graded against the sharpest closing price, so the cover rate reflects bet-able reality — not back-tested fantasy.

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

Optimus

Matchups

Systems

Titan