Athletics at Mariners Predictions, Odds and Betting Picks
The Seattle Mariners are the clear betting side against the Athletics, with DraftKings listing Seattle at -156 on the moneyline and -1.5 at -105. The pitching matchup drives that position, as Seattle sends Kade Anderson to the mound with a 4.50 ERA while Oakland counters with Jack Perkins, who enters at 3-10 with a 6.42 ERA.
Oakland also enters the matchup without several important bats, including Shea Langeliers, Nick Kurtz, Tyler Soderstrom and Jacob Wilson. Seattle has its own injury concerns, but the Mariners have the stronger home setup and enter this game with a 66-74 record compared with Oakland's 54-86 mark.
Athletics vs Mariners Game Preview
The Athletics enter the September 3 matchup at 54-86 and sit fourth in the AL West. Oakland's lineup has been hit hard by injuries, with Langeliers on the 10-day IL with a torn meniscus, Wilson on the 60-day IL with a left shoulder subluxation and Kurtz moved to the 60-day IL because of a thumb injury. Tyler Soderstrom and Josh Kuroda-Grauer are also on the 60-day IL, leaving the Athletics without several regular contributors.
Athletics vs. Mariners Game Highlights (4/20/26) | MLB Highlights
Seattle is 66-74 and sits third in the AL West. The Mariners are also dealing with injuries, including Matt Brash on the 60-day IL with a right lat strain, Logan Evans recovering from UCL reconstruction and Luke Raley on the 60-day IL with an elbow injury. Emerson Hancock is on the 15-day IL with a groin strain, while Colt Emerson remains out with a wrist injury.
The starting pitching matchup gives the game a clear statistical contrast. Perkins has a 3-10 record, 6.42 ERA and 109 strikeouts, while Anderson is 0-0 with a 4.50 ERA and eight strikeouts. The game is also being played at T-Mobile Park, where the forecast calls for roughly 64-66°F temperatures, mostly cloudy skies and a 5-6 mph southwesterly wind.
Moneyline Pick
Seattle Mariners ML is the pick. DraftKings has Seattle priced at -156, and the pitching matchup gives the home team the better starting-point edge with Anderson's 4.50 ERA against Perkins' 6.42 ERA.
Oakland's lineup also enters without Langeliers, Wilson, Kurtz and Soderstrom, while Seattle has home-field advantage at T-Mobile Park. The Athletics' 54-86 record adds more weight to the -156 price, while Seattle's 66-74 record gives the Mariners a 12-win edge in the standings.
Pick: Mariners ML (-156 at DraftKings).
Run Line Pick
The Seattle Mariners -1.5 is the run line pick. DraftKings lists Seattle at -1.5 (-105), making the standard 1.5-run spread a better price than laying a heavier alternate number.
Perkins' 6.42 ERA is the key number behind the selection, while Oakland's injured lineup has lost several established contributors. Seattle needs to win by two or more runs, but the matchup gives the Mariners enough starting pitching and lineup advantages to clear that margin.
Seattle's ability to create separation also matters at home, where the Mariners have the benefit of batting last and can control the game state late. Oakland's 54-86 record shows how often the Athletics have struggled to finish games, while Seattle's 66-74 mark gives the Mariners a 12-win advantage heading into this matchup. With Perkins carrying a 6.42 ERA and Oakland missing multiple regular contributors, Seattle has the matchup profile needed to cover the 1.5-run margin.
Pick: Mariners -1.5 (-105 at DraftKings).
Best Player Prop
- Kade Anderson strikeouts Over TBD (at DraftKings). Anderson has eight strikeouts listed for the season, but the available information does not include his current DraftKings strikeout line. Oakland's injury-depleted lineup gives Anderson a favorable setup for the eventual strikeout number, particularly with Perkins facing the stronger offensive environment on the other side.
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Game Total Pick
Under 8 runs is the total pick. DraftKings lists the Under 8 at -102, with the game also carrying a relatively modest 8-run number despite Perkins' 6.42 ERA. Anderson's 4.50 ERA provides Seattle with a more stable starting-pitching profile, and the Athletics enter without Langeliers, Wilson, Kurtz and Soderstrom.
T-Mobile Park also gets neutral-to-mild conditions for this matchup. The forecast calls for temperatures around 64-66°F, mostly cloudy skies and a 5-6 mph southwesterly wind, with a low chance of rain. Those conditions do not add a strong weather-based push toward a high-scoring game.
The bigger concern for the Under is Perkins. His 6.42 ERA gives Seattle a clear path to scoring multiple runs, so the Under depends on Oakland keeping the Mariners from turning early opportunities into a big inning. At 8 runs, the price remains playable because a low-scoring Anderson start gives the Athletics less room to contribute to the total.
Pick: Under 8 (-102 at DraftKings).
How to Watch Athletics vs Mariners and Game Info
- Location: T-Mobile Park, Seattle, WA
- Date: Thursday, September 3, 2026
- First pitch: 9:40 p.m. ET
- TV: Mariners.TV, NBCSCA
- Athletics starting pitcher: Jack Perkins (3-10, 6.42 ERA).
- Mariners starting pitcher: Kade Anderson (0-0, 4.50 ERA).
- Weather forecast: 64-66°F, partly cloudy to mostly cloudy, south/southwest wind at 5-6 mph.
Final Takeaways
The Mariners are the strongest betting side because Seattle has the better record, home-field advantage and the more favorable starting pitching matchup. Perkins' 6.42 ERA is the biggest number working against Oakland, while the Athletics' injuries have removed several key lineup pieces. Seattle -1.5 at -105 is the preferred run line, while Under 8 at -102 gives bettors a second angle despite the risk created by Perkins' high ERA.
All odds as of 3:30 a.m. ET on September 3, 2026. Odds sourced from DraftKings. Check the latest odds and line movement for Athletics vs Mariners at betting.net before placing your bets.