Athletics at Seattle Mariners: Betting Trends, Sep 3, 2026 (MLB)
The Athletics beat the Seattle Mariners 7-4 on September 3, 2026. This season the Athletics have covered the spread in 75 of 153 games (49%), and the Seattle Mariners have covered the spread in 58 of 153 games (37.9%) (2026). Every figure on this page is a count of settled games or a line a book posted. DataStreak does not produce picks. Updated September 18, 2026.
Final: OAK 7, SEA 4.
Probable starters: OAK Jack Perkins, SEA Kade Anderson.
The posted line
At unibet as of September 3, 2026: SEA -1.5, total 7.5. A line is the number a book posted at that moment, shown as a fact about the market; it is not a forecast and it moves.
Against the spread, 2026 season
Covers of settled games. A cover is a settled game where the final margin beat the closing spread; pushes are left out of the rate.
| Team | Overall | Home | Road | Last 10 |
|---|---|---|---|---|
| Athletics | 75 of 153 (49%) | 32 of 75 (42.7%) | 43 of 78 (55.1%) | 6 of 10 (60%) |
| Seattle Mariners | 58 of 153 (37.9%) | 28 of 75 (37.3%) | 30 of 78 (38.5%) | 4 of 10 (40%) |
Previous meetings
Finished regular-season games between the two, this season and last, newest first.
| Date | Away | Home |
|---|---|---|
| 2026-09-13 | SEA 7 | OAK 8 |
| 2026-09-12 | SEA 19 | OAK 1 |
| 2026-09-11 | SEA 5 | OAK 6 |
| 2026-09-06 | OAK 0 | SEA 2 |
| 2026-09-05 | OAK 6 | SEA 2 |
| 2026-09-04 | OAK 7 | SEA 6 |
| 2026-05-27 | SEA 9 | OAK 1 |
| 2026-05-26 | SEA 4 | OAK 1 |
| 2026-05-25 | SEA 9 | OAK 2 |
| 2026-04-22 | OAK 4 | SEA 5 |
Athletics: last 5 games
| Date | Opp | Result |
|---|---|---|
| 2026-09-17 | @ TB | L 1-10 |
| 2026-09-16 | @ TB | L 3-4 |
| 2026-09-15 | @ TB | L 1-2 |
| 2026-09-13 | vs SEA | W 8-7 |
| 2026-09-13 | vs SEA | L 1-19 |
Seattle Mariners: last 5 games
| Date | Opp | Result |
|---|---|---|
| 2026-09-17 | @ LAA | W 7-2 |
| 2026-09-16 | @ LAA | L 1-2 |
| 2026-09-15 | @ LAA | L 4-6 |
| 2026-09-13 | @ OAK | L 7-8 |
| 2026-09-13 | @ OAK | W 19-1 |
Over each player's last 20 games, the highest clear rate at the lowest posted rung of each market. Counts of games, not projections; each name opens the player's own page.
OAK players clearing their prop lines most often
| Player | Market | Line | Cleared | Rate |
|---|---|---|---|---|
| Shea Langeliers | Hits | 1+ hits | 16 of 20 | 80% |
| Shea Langeliers | Total Bases | 1+ total bases | 16 of 20 | 80% |
| Jack Perkins | Pitcher Strikeouts | 3+ strikeouts | 16 of 20 | 80% |
SEA players clearing their prop lines most often
| Player | Market | Line | Cleared | Rate |
|---|---|---|---|---|
| Logan Gilbert | Pitcher Strikeouts | 3+ strikeouts | 20 of 20 | 100% |
| Bryan Woo | Pitcher Strikeouts | 3+ strikeouts | 20 of 20 | 100% |
| Bryce Miller | Pitcher Strikeouts | 3+ strikeouts | 19 of 20 | 95% |
Questions about Athletics at Seattle Mariners
Who has the better record against the spread, the Athletics or the Seattle Mariners?
The Athletics have covered in 75 of 153 games (49%) and the Seattle Mariners in 58 of 153 (37.9%) in the 2026 season, so the Athletics have the higher rate. A cover is a settled game where the final margin beat the closing spread; a rate is a count of past games, not a prediction of this one.
How have the last meetings between the Athletics and the Seattle Mariners gone?
Of the last 10 regular-season meetings this season and last, the Seattle Mariners won 6 and the Athletics won 4. The most recent was SEA 7, OAK 8 on September 13, 2026.
Which players in Athletics at Seattle Mariners clear their prop lines most often?
Logan Gilbert has cleared 3+ strikeouts in 20 of his last 20 games (100%); Bryan Woo has cleared 3+ strikeouts in 20 of his last 20 games (100%), over each player's last 20 games at the lowest posted rung. Counts of games, not projections.
Are these OAK at SEA numbers picks?
No. Every figure is a count of settled games or a line a book posted, shown with the games it comes from so the arithmetic is checkable. DataStreak does not produce picks. Updated September 18, 2026.
How these numbers are measured
A cover is a settled game where the final margin beat the closing spread; a push is a margin that landed on it. Previous meetings are finished regular-season games between the two teams. The prop rates count the games in which a player's stat reached the line over that player's last 20 games. A posted line is one book's number on one day. Nothing here is a projection.
Every MLB prop graded on this date: MLB player props, September 3, 2026. Both teams' full pages: Athletics and Seattle Mariners. The live board with every team and tonight's lines is the MLB ATS Radar. Every MLB player at a glance: MLB player prop hit rates, or read how the boards are built.