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Philadelphia Phillies Lead Seattle Mariners 8-4 in Head-to-Head Matchups

MLB7-5-0 ATS (58.33%)Data through 2025-08-20

Phillies vs Mariners Betting Record

Against the Spread

7-5-0

Win %

58.33%

ROI

+18.05%

Units

+2.2

Moneyline

8-4-0

Win %

66.67%

ROI

+23.73%

Units

+2.9

Over Rate

8-4-0

Win %

66.67%

ROI

+27.75%

Units

+3.3

From the Other Side — Mariners vs Phillies

Against the Spread

5-7-0

Win %

41.67%

ROI

-35.68%

Units

-4.3

Moneyline

4-8-0

Win %

33.33%

ROI

-34.44%

Units

-4.1

Over Rate

8-4-0

Win %

66.67%

ROI

+27.75%

Units

+3.3

Venue Splits

Phillies Home

4-2-0 ATS

66.67% • +25.4%

5-1-0 ML (83.33%)

Mariners Home

3-3-0 ATS

50% • -22.55%

3-3-0 ML (50%)

Scoring Averages

Phillies

5.8

PPG

3.8

allowed

Total

9.6

Avg

12

games

Mariners

3.8

PPG

5.8

allowed

Recent Matchups

Date	Matchup	Score	Spread	ATS	ML	O/U
08/202025-08-20	Mariners @ Phillies	W 11-2	-1.5	✓	W	O
08/192025-08-19	Mariners @ Phillies	W 6-4	-1.5	✓	W	O
08/182025-08-18	Mariners @ Phillies	W 12-7	-1.5	✓	W	O
08/042024-08-04	Phillies @ Mariners	W 0-6	-1.5	✓	W	U
08/032024-08-03	Phillies @ Mariners	L 6-5	-1.5	✗	L	O
08/022024-08-02	Phillies @ Mariners	L 10-2	-1.5	✗	L	O
04/272023-04-27	Mariners @ Phillies	W 1-0	-1.5	✗	W	U
04/262023-04-26	Mariners @ Phillies	W 6-5	-1.5	✓	W	O
04/252023-04-25	Mariners @ Phillies	L 3-5	-1.5	✗	L	U
05/112022-05-11	Phillies @ Mariners	W 2-4	-1.5	✓	W	U
05/102022-05-10	Phillies @ Mariners	L 5-4	-1.5	✗	L	O
05/092022-05-09	Phillies @ Mariners	W 0-9	-1.5	✓	W	O

Frequently Asked Questions

What is the Philadelphia Phillies vs Seattle Mariners all-time record?

The Philadelphia Phillies are 8-4 against the Seattle Mariners in head-to-head matchups.

What is the Philadelphia Phillies ATS record vs the Seattle Mariners?

The Philadelphia Phillies are 7-5-0 against the spread vs the Seattle Mariners on DraftKings, with +18.05% ROI.

Do Philadelphia Phillies vs Seattle Mariners games go over or under?

Philadelphia Phillies vs Seattle Mariners games average 9.6 total points. The Over has hit 66.67% of the time.

More Phillies Matchups

See from Mariners perspective

Head-to-head betting record for Philadelphia Phillies vs Seattle Mariners on LineTerminal. The Phillies are 8-4 straight up against the Mariners and 7-5-0 against the spread (58.33% cover rate, +18.05% ROI) on DraftKings. Data sourced from DraftKings closing lines. Updated daily after games are graded. Past performance does not guarantee future results.