MLB · Team intelligence
Seattle Mariners
Latest result
The last game
Mariners
AngelsRecent form
The latest stretch
Last 10 recorded games
Through Oct 3
2021 · Closing-line results
The betting picture
140 decisions · 0 pushes
Only games with recorded DraftKings moneyline odds are included.
Historical returns
Season rhythm
Select a period to inspect its record and return. Historical results describe this sample; they do not establish a future betting edge.
Around the league
AL West
Betting records ranked by moneyline win rate within the tracked sample.
| Team | ML record | Run line | ML ROI |
|---|---|---|---|
 Mariners | 74-66 | 33-28 | +14.18% |
 Angels | 69-79 | 29-37 | -5.71% |
 Rangers | 53-91 | 27-36 | -12.88% |
 Astros | 91-66 | 32-43 | -4.57% |
 Athletics | Not available | Not available | N/A |
Head to head
Astros
Angels
Athletics
RangersGo beyond the record
Your team research desk
2021 · Player research
The players behind the numbers
A player list is not available for this selected season yet.
Explore the player directory for available stats and prop histories.
Seattle Mariners 2021 betting records, run line results, moneyline returns and totals, calculated from DraftKings closing lines. Each market uses its own graded sample; a betting record is not an official league standing. ROI uses flat $100 bets. Pushes stay in the record and are excluded from the win rate. How the numbers work.
What is the Seattle Mariners run line record in 2021?
Seattle Mariners have a 33-28-0 record in 61 graded games, a 54.1% cover rate and +0.62% ROI using DraftKings closing lines.
How have the Mariners performed on the moneyline?
The recorded 2021 moneyline sample is 74-66-0, with a 52.86% win rate and +14.18% ROI. This is a historical betting sample, not a prediction.
Where can I research Mariners players and matchups?
Use the Players tab for individual profiles, Games for results and upcoming opponents, and Splits to compare home, away, favorite and underdog betting performance.
Explore Mariners