Mariners vs Athletics Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 3

Odds updated as of 4:12 a.m.

MLB action on Thursday includes the Seattle Mariners facing the Athletics.

Here's everything you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

Mariners vs Athletics Game Info

• Seattle Mariners (66-74) vs. Athletics (54-86)
• Date: Thursday, September 3, 2026
• Time: 9:40 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: Mariners.TV and NBCS-CA

Mariners vs Athletics Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-210) | OAK: (+176)
• Spread: SEA: -1.5 (+112) | OAK: +1.5 (-134)
• Total: 7.5 -- Over: (-105) | Under: (-115)

Mariners vs Athletics Probable Starting Pitchers

Probable Pitchers: Kade Anderson (Mariners) - 0-0, 4.50 ERA vs Jack Perkins (Athletics) - 3-10, 6.42 ERA

This contest's pitching matchup is set, as the Mariners will send Kade Anderson to the mound, while Jack Perkins (3-10) will get the nod for the Athletics. Anderson helped his team cover the spread in his only opportunity this season as a starter. Anderson's team won his only start as a favorite this season. When Perkins starts, the Athletics have gone 2-10-0 against the spread. The Athletics were the moneyline underdog for seven Perkins starts this season -- they lost each time.

Mariners vs Athletics Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (52%)

Mariners vs Athletics Moneyline

• The Mariners vs Athletics moneyline has the Mariners as a -210 favorite, while the Athletics are a +176 underdog on the road.

Mariners vs Athletics Spread

• The Mariners are 1.5-run favorites on the runline against the Athletics. The Mariners are +112 to cover, while the Athletics are -134 to cover.

Mariners vs Athletics Over/Under

• The Mariners-Athletics game on Sept. 3 has been given an over/under of 7.5 runs. The over is set at -105 and the under at -115.

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Mariners vs Athletics Betting Trends

• The Mariners have won in 52, or 50.5%, of the 103 contests they have been named as odds-on favorites in this year.
• The Mariners have been listed as a favorite of -210 or more on two occasions this season and won both games.
• The Mariners and their opponents have hit the over in 71 of their 138 games with a total this season.
• In 138 games with a line this season, the Mariners have a mark of 52-86-0 against the spread.
• The Athletics have gone 38-65 in games they were listed as the moneyline underdog (winning 36.9% of those games).
• The Athletics have a record of 3-7 when playing as a moneyline underdog with odds of +176 or longer (30%).
• The Athletics have combined with their opponents to go over the total 71 times this season for a 71-67-2 record against the over/under.
• The Athletics have a 64-76-0 record against the spread this season (covering 45.7% of the time).

Mariners Player Leaders

• Randy Arozarena leads Seattle in OBP (.368) this season, fueled by 134 hits. He has a .272 batting average and a slugging percentage of .465.
• Among the qualifying hitters in the majors, his batting average ranks 40th, his on-base percentage ranks 21st, and he is 40th in slugging.
• Arozarena will look for his fourth straight game with a hit in this matchup. In his last five games he is hitting .261 with a double, two home runs and eight RBIs.
• Josh Naylor has an OPS of .692, fueled by an OBP of .327 and a team-best slugging percentage of .364 this season. He's batting .268.
• Among all qualifying batters, he ranks 48th in batting average, 79th in on-base percentage and 122nd in slugging percentage.
• Naylor heads into this game looking to extend his two-game hit streak. In his last five games he is hitting .238 with a double, a walk and an RBI.
• Cole Young has collected 124 base hits, an OBP of .308 and a slugging percentage of .382 this season.
• Julio Rodriguez has been key for Seattle with 125 hits, an OBP of .305 plus a slugging percentage of .401.
• Rodriguez has hit safely in three straight games. In his last five games he is batting .182 with two doubles, a walk and two RBIs.

Athletics Player Leaders

• Jeff McNeil has racked up a slugging percentage of .368, a team-high for the Athletics. He's batting .268 with an on-base percentage of .317.
• Including all qualified hitters in the big leagues, his batting average places him 48th, his on-base percentage is 93rd, and he is 119th in slugging.
• Lawrence Butler is batting .231 with 16 doubles, a triple, 12 home runs and 55 walks. He's slugging .370 with an on-base percentage of .327.
• He is currently 112th in batting average, 79th in on-base percentage and 116th in slugging percentage among all qualified hitters.
• Zack Gelof is hitting .256 with 14 doubles, a triple, 15 home runs and 26 walks.
• Carlos Cortes has 15 doubles, a triple, eight home runs and 28 walks while batting .259.

Mariners vs Athletics Head to Head

• 5/27/2026: 9-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 5/26/2026: 4-1 SEA (Favorite: Athletics, Spread: -1.5, Total: 9.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 5/25/2026: 9-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 10.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 4/22/2026: 5-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 4/21/2026: 5-2 OAK (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -166, Underdog Moneyline: +140)
• 4/20/2026: 6-4 OAK (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 8/24/2025: 11-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 8/23/2025: 2-1 OAK (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -172, Underdog Moneyline: +144)
• 8/22/2025: 3-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -215, Underdog Moneyline: +180)
• 7/30/2025: 5-4 OAK (Favorite: Mariners, Spread: -1.5, Total: 9.5, Favorite Moneyline: -154, Underdog Moneyline: +130)

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