Seattle Mariners
85-77 · SEA
Overall Record
85-77
52.5% win rate
ATS Record
46-45
50.5% cover rate
O/U Record
40-51
44.0% OVER
Division
West
American League
Key Insights
ATS Trend
Mariners are near 50/50 against the spread (50.5%) — public money is keeping lines honest.
Over/Under
UNDER has hit in 56.0% of Mariners games. Elite defense or slow pace consistently goes UNDER.
Sharp Angle
The Seattle Mariners (46-45 ATS) offer negative expected value against the spread. Monitor line movement to find optimal entry points.
Relevant Trends
Browse all →Seahawks exceeded win total by 5.5 games — 11-6 ATS (2025-26 final)
Record
11-6
Win Rate
64.7%
UNDER hit in 58% of games played in Colorado in 2025
Record
37-27
Win Rate
57.8%
First-half UNDER hit 58% when starting pitcher had ERA under 2.80 in 2025
Record
82-59
Win Rate
58.2%
Road favorites under -130 were 189-162 ML in 2025 — profitable long term
Record
189-162
Win Rate
53.8%
Pitchers making first start after 10+ days rest had ERA avg 0.8 higher in 2025
Record
38-48
Win Rate
44.2%