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Seattle Mariners Lead Pittsburgh Pirates 6-3 in Head-to-Head Matchups

MLB5-4-0 ATS (55.56%)Data through 2025-07-06

Mariners vs Pirates Betting Record

Against the Spread

5-4-0

Win %

55.56%

ROI

+8.88%

Units

+0.8

Moneyline

6-3-0

Win %

66.67%

ROI

+7.79%

Units

+0.7

Over Rate

5-4-0

Win %

55.56%

ROI

+5.75%

Units

+0.5

From the Other Side — Pirates vs Mariners

Against the Spread

4-5-0

Win %

44.44%

ROI

-28.15%

Units

-2.5

Moneyline

3-6-0

Win %

33.33%

ROI

-27.25%

Units

-2.5

Over Rate

5-4-0

Win %

55.56%

ROI

+5.75%

Units

+0.5

Venue Splits

Mariners Home

4-2-0 ATS

66.67% • +31.22%

5-1-0 ML (83.33%)

Pirates Home

2-1-0 ATS

66.67% • +7.6%

2-1-0 ML (66.67%)

Scoring Averages

Mariners

4.4

PPG

3.2

allowed

Total

7.7

Avg

9

games

Pirates

3.2

PPG

4.4

allowed

Recent Matchups

Date	Matchup	Score	Spread	ATS	ML	O/U
07/062025-07-06	Pirates @ Mariners	W 1-0	-1.5	✓	W	U
07/052025-07-05	Pirates @ Mariners	W 1-0	-1.5	✗	W	U
07/042025-07-04	Pirates @ Mariners	W 6-0	-1.5	✓	W	U
08/182024-08-18	Mariners @ Pirates	W 3-10	-1.5	✓	W	O
08/172024-08-17	Mariners @ Pirates	L 7-2	-1.5	✗	L	O
08/162024-08-16	Mariners @ Pirates	L 5-3	-1.5	✗	L	O
05/282023-05-28	Pirates @ Mariners	W 6-3	-1.5	✓	W	O
05/272023-05-27	Pirates @ Mariners	W 5-0	-1.5	✓	W	U
05/262023-05-26	Pirates @ Mariners	L 6-11	-1.5	✗	L	O

Frequently Asked Questions

What is the Seattle Mariners vs Pittsburgh Pirates all-time record?

The Seattle Mariners are 6-3 against the Pittsburgh Pirates in head-to-head matchups.

What is the Seattle Mariners ATS record vs the Pittsburgh Pirates?

The Seattle Mariners are 5-4-0 against the spread vs the Pittsburgh Pirates on DraftKings, with +8.88% ROI.

Do Seattle Mariners vs Pittsburgh Pirates games go over or under?

Seattle Mariners vs Pittsburgh Pirates games average 7.7 total points. The Over has hit 55.56% of the time.

More Mariners Matchups

See from Pirates perspective

Head-to-head betting record for Seattle Mariners vs Pittsburgh Pirates on LineTerminal. The Mariners are 6-3 straight up against the Pirates and 5-4-0 against the spread (55.56% cover rate, +8.88% ROI) on DraftKings. Data sourced from DraftKings closing lines. Updated daily after games are graded. Past performance does not guarantee future results.