Seattle Mariners and Boston Red Sox Tied 3-3 Head-to-Head (2025)

MLB3-3-0 ATS (50%)Data through 2025-06-18

Mariners vs Red Sox Betting Record — 2025

Against the Spread
3-3-0
Win %
50%
ROI
-5.06%
Units
-0.3
Moneyline
3-3-0
Win %
50%
ROI
+5.55%
Units
+0.3
Over Rate
3-3-0
Win %
50%
ROI
-4.41%
Units
-0.3

From the Other Side — Red Sox vs Mariners

Against the Spread
3-3-0
Win %
50%
ROI
-7.86%
Units
-0.5
Moneyline
3-3-0
Win %
50%
ROI
-1.02%
Units
-0.1
Over Rate
3-3-0
Win %
50%
ROI
-4.41%
Units
-0.3

Venue Splits

Mariners Home
1-2-0 ATS
33.33% • -20.33%
1-2-0 ML (33.33%)
Red Sox Home
1-2-0 ATS
33.33% • -49.31%
1-2-0 ML (33.33%)

Scoring Averages

Mariners
4
PPG
3.5
allowed
Total
7.5
Avg
6
games
Red Sox
3.5
PPG
4
allowed

Recent Matchups (2025)

DateScoreATSMLO/U
06/18L 1-3LU
06/17W 8-0WO
06/16L 0-2LU
04/24W 3-4WU
04/23W 5-8WO
04/22L 8-3LO

Frequently Asked Questions

What is the Seattle Mariners vs Boston Red Sox all-time record?
The Seattle Mariners are 3-3 against the Boston Red Sox in 2025 in head-to-head matchups.
What is the Seattle Mariners ATS record vs the Boston Red Sox?
The Seattle Mariners are 3-3-0 against the spread vs the Boston Red Sox in 2025 on DraftKings, with -5.06% ROI.
Do Seattle Mariners vs Boston Red Sox games go over or under?
Seattle Mariners vs Boston Red Sox games average 7.5 total points in 2025. The Over has hit 50% of the time.

More Mariners Matchups

Head-to-head betting record for Seattle Mariners vs Boston Red Sox in the 2025 season on LineTerminal. The Mariners are 3-3 straight up against the Red Sox and 3-3-0 against the spread (50% cover rate, -5.06% ROI) on DraftKings. Data sourced from DraftKings closing lines. Updated daily after games are graded. Past performance does not guarantee future results.

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