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VS

Boston Red Sox Lead Seattle Mariners 20-13 in Head-to-Head Matchups

MLB10-19-0 ATS (34.48%)Data through 2025-06-18

Mariners vs Red Sox Betting Record

Against the Spread

10-19-0

Win %

34.48%

ROI

-29.04%

Units

-8.4

Moneyline

13-20-0

Win %

39.39%

ROI

-21.09%

Units

-7.0

Over Rate

20-9-0

Win %

68.97%

ROI

+31.96%

Units

+9.3

From the Other Side — Red Sox vs Mariners

Against the Spread

19-10-0

Win %

65.52%

ROI

+23.69%

Units

+6.9

Moneyline

20-13-0

Win %

60.61%

ROI

+14.76%

Units

+4.9

Over Rate

20-9-0

Win %

68.97%

ROI

+31.96%

Units

+9.3

Venue Splits

Mariners Home

5-11-0 ATS

31.25% • -31.43%

7-9-0 ML (43.75%)

Red Sox Home

8-5-0 ATS

61.54% • +27.85%

11-6-0 ML (64.71%)

Scoring Averages

Mariners

4.5

PPG

5.2

allowed

Total

9.8

Avg

33

games

Red Sox

5.2

PPG

4.5

allowed

Recent Matchups

Date	Matchup	Score	Spread	ATS	ML	O/U
06/182025-06-18	Red Sox @ Mariners	L 1-3	-1.5	✗	L	U
06/172025-06-17	Red Sox @ Mariners	W 8-0	-1.5	✓	W	O
06/162025-06-16	Red Sox @ Mariners	L 0-2	-1.5	✗	L	U
04/242025-04-24	Mariners @ Red Sox	W 3-4	-1.5	✓	W	U
04/232025-04-23	Mariners @ Red Sox	W 5-8	-1.5	✓	W	O
04/222025-04-22	Mariners @ Red Sox	L 8-3	-1.5	✗	L	O
07/312024-07-31	Mariners @ Red Sox	L 3-2	-1.5	✗	L	U
07/302024-07-30	Mariners @ Red Sox	W 6-10	-1.5	✓	W	O
07/292024-07-29	Mariners @ Red Sox	L 14-7	-1.5	✗	L	O
03/312024-03-31	Red Sox @ Mariners	L 1-5	-1.5	✗	L	U
03/302024-03-30	Red Sox @ Mariners	W 4-3	-1.5	✗	W	U
03/292024-03-29	Red Sox @ Mariners	W 1-0	-1.5	✗	W	U
03/282024-03-28	Red Sox @ Mariners	L 4-6	-1.5	✗	L	O
08/022023-08-02	Red Sox @ Mariners	W 6-3	-1.5	✓	W	O
08/012023-08-01	Red Sox @ Mariners	L 4-6	-1.5	✗	L	O
07/312023-07-31	Red Sox @ Mariners	W 6-2	-1.5	✓	W	O
05/172023-05-17	Mariners @ Red Sox	L 12-3	-1.5	✗	L	O
05/162023-05-16	Mariners @ Red Sox	L 9-4	-1.5	✗	L	O
05/152023-05-15	Mariners @ Red Sox	W 1-10	-1.5	✓	W	O
06/122022-06-12	Red Sox @ Mariners	L 0-2	-1.5	✗	L	U

Frequently Asked Questions

What is the Seattle Mariners vs Boston Red Sox all-time record?

The Seattle Mariners are 13-20 against the Boston Red Sox in head-to-head matchups.

What is the Seattle Mariners ATS record vs the Boston Red Sox?

The Seattle Mariners are 10-19-0 against the spread vs the Boston Red Sox on DraftKings, with -29.04% ROI.

Do Seattle Mariners vs Boston Red Sox games go over or under?

Seattle Mariners vs Boston Red Sox games average 9.8 total points. The Over has hit 68.97% of the time.

More Mariners Matchups

See from Red Sox perspective

Head-to-head betting record for Seattle Mariners vs Boston Red Sox on LineTerminal. The Mariners are 13-20 straight up against the Red Sox and 10-19-0 against the spread (34.48% cover rate, -29.04% ROI) on DraftKings. Data sourced from DraftKings closing lines. Updated daily after games are graded. Past performance does not guarantee future results.