Seattle Mariners Lead Athletics 4-2 in Head-to-Head Matchups (2026)

MLB3-3-0 ATS (50%)Updated May 27, 2026

The Seattle Mariners are 4-2 against the Athletics in 2026 in head-to-head matchups, going 3-3-0 ATS (50% cover rate) with +19.83% ROI. Games average 8.7 total points. Closing lines from DraftKings, FanDuel, and BetMGM, graded against official MLB box scores.

See methodology.

Mariners vs Athletics Betting Record — 2026

Against the Spread

3-3-0

Win %

50%

ROI

+19.83%

Units

+1.2

Moneyline

4-2-0

Win %

66.67%

ROI

+19.55%

Units

+1.2

Over Rate

4-2-0

Win %

66.67%

ROI

+24.4%

Units

+1.5

From the Other Side — Athletics vs Mariners

Against the Spread

3-3-0

Win %

50%

ROI

-16.77%

Units

-1.0

Moneyline

2-4-0

Win %

33.33%

ROI

-22.17%

Units

-1.3

Over Rate

4-2-0

Win %

66.67%

ROI

+24.4%

Units

+1.5

Venue Splits

Mariners Home

0-3-0 ATS

0% • -100%

1-2-0 ML (33.33%)

Athletics Home

0-3-0 ATS

0% • -100%

0-3-0 ML (0%)

Scoring Averages

Mariners

5.5

PPG

3.2

allowed

Total

8.7

Avg

games

Athletics

3.2

PPG

5.5

allowed

Recent Matchups (2026)

Date	Matchup	Score	Spread	ATS	ML	O/U
05/272026-05-27	Mariners @ Athletics	W 1-9	-1.5	✓	W	O
05/262026-05-26	Mariners @ Athletics	W 1-4	-1.5	✓	W	U
05/252026-05-25	Mariners @ Athletics	W 2-9	-1.5	✓	W	O
04/222026-04-22	Athletics @ Mariners	W 5-4	-1.5	✗	W	O
04/212026-04-21	Athletics @ Mariners	L 2-5	-1.5	✗	L	U
04/202026-04-20	Athletics @ Mariners	L 4-6	-1.5	✗	L	O

Frequently Asked Questions

What is the Seattle Mariners vs Athletics 2026 record?

The Seattle Mariners are 4-2 against the Athletics in 2026 in head-to-head matchups.

What is the Seattle Mariners ATS record vs the Athletics?

The Seattle Mariners are 3-3-0 against the spread vs the Athletics in 2026 on DraftKings, with +19.83% ROI.

Do Seattle Mariners vs Athletics games go over or under?

Seattle Mariners vs Athletics games average 8.7 total points in 2026. The Over has hit 66.67% of the time.

More Mariners Matchups

vs Astros

vs Angels

vs Rangers

See from Athletics perspective

Head-to-head betting record for Seattle Mariners vs Athletics in the 2026 season on LineTerminal. The Mariners are 4-2 straight up against the Athletics and 3-3-0 against the spread (50% cover rate, +19.83% ROI) on DraftKings. Data sourced from DraftKings closing lines. Updated daily after games are graded. Past performance does not guarantee future results.