Seattle Mariners Lead Cleveland Guardians 17-13 in Head-to-Head Matchups

MLB16-14-0 ATS (53.33%)Data through 2026-03-29

Mariners vs Guardians Betting Record

Against the Spread
16-14-0
Win %
53.33%
ROI
+8.87%
Units
+2.7
Moneyline
17-13-0
Win %
56.67%
ROI
+4.94%
Units
+1.5
Over Rate
15-12-3
Win %
55.56%
ROI
+6.95%
Units
+1.9

From the Other Side — Guardians vs Mariners

Against the Spread
14-16-0
Win %
46.67%
ROI
-14.12%
Units
-4.2
Moneyline
13-17-0
Win %
43.33%
ROI
-4.69%
Units
-1.4
Over Rate
15-12-3
Win %
55.56%
ROI
+6.95%
Units
+1.9

Venue Splits

Mariners Home
9-9-0 ATS
50% • -1.25%
10-8-0 ML (55.56%)
Guardians Home
5-7-0 ATS
41.67% • -14.83%
5-7-0 ML (41.67%)

Scoring Averages

Mariners
4.1
PPG
3.5
allowed
Total
7.6
Avg
30
games
Guardians
3.5
PPG
4.1
allowed

Recent Matchups

DateScoreATSMLO/U
03/29W 8-0WO
03/28L 5-6LO
03/27W 5-1WU
03/26L 4-6LO
08/31W 2-4WU
08/30L 4-3LU
08/29L 5-4LO
06/15W 6-0WU
06/14W 4-3WP
06/13W 7-2WO
06/20L 6-3LO
06/19L 8-0LO
06/18W 5-8WO
04/03L 0-8LO
04/02L 2-5LP
04/01W 5-4WO
04/09L 7-6LO
04/08W 2-3WU
04/07W 3-5WO
04/02L 5-6LO

Frequently Asked Questions

What is the Seattle Mariners vs Cleveland Guardians all-time record?
The Seattle Mariners are 17-13 against the Cleveland Guardians in head-to-head matchups.
What is the Seattle Mariners ATS record vs the Cleveland Guardians?
The Seattle Mariners are 16-14-0 against the spread vs the Cleveland Guardians on DraftKings, with +8.87% ROI.
Do Seattle Mariners vs Cleveland Guardians games go over or under?
Seattle Mariners vs Cleveland Guardians games average 7.6 total points. The Over has hit 55.56% of the time.

More Mariners Matchups

Head-to-head betting record for Seattle Mariners vs Cleveland Guardians on LineTerminal. The Mariners are 17-13 straight up against the Guardians and 16-14-0 against the spread (53.33% cover rate, +8.87% ROI) on DraftKings. Data sourced from DraftKings closing lines. Updated daily after games are graded. Past performance does not guarantee future results.

LineTerminal

AI-powered betting intelligence for NBA, NHL, MLB, and NCAAB.

LineTerminal provides sports data and analytics for informational and entertainment purposes only. LineTerminal does not accept, place, or facilitate bets or wagers of any kind. Odds data is sourced from third-party providers and may not reflect exact lines at every sportsbook. Past performance does not guarantee future results. Sports betting involves risk — never wager more than you can afford to lose.

If you or someone you know has a gambling problem, call 1-800-MY-RESET (National Problem Gambling Helpline) or visit ncpgambling.org. Must be 21+ in most jurisdictions. Please gamble responsibly.

© 2026 LineTerminal. All rights reserved.