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

Odds updated as of 9:13 p.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: (-205) | OAK: (+172)
• Spread: SEA: -1.5 (+106) | OAK: +1.5 (-128)
• Total: 7.5 -- Over: (+100) | Under: (-122)

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 answer the bell 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. The Athletics are 2-10-0 against the spread when Perkins starts. The Athletics were the moneyline underdog for seven Perkins starts this season -- they lost every time.

Mariners vs Athletics Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Athletics win (51.3%)

Mariners vs Athletics Moneyline

• The Mariners vs Athletics moneyline has the Mariners as a -205 favorite, while the Athletics are a +172 underdog on the road.

Mariners vs Athletics Spread

• The Mariners are 1.5-run favorites on the runline against the Athletics. The Mariners are +106 to cover, while the Athletics are -128 to cover.

Mariners vs Athletics Over/Under

• The over/under for Mariners-Athletics on Sept. 3 is 7.5. The over is +100, and the under is -122.

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Mariners vs Athletics Betting Trends

• The Mariners have come away with 52 wins in the 103 contests they have been listed as the favorites in this season.
• The Mariners have been listed as a favorite of -205 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.
• The Mariners are 52-86-0 against the spread in their 138 games that had a posted line this season.
• The Athletics have been the underdog on the moneyline 103 total times this season. They've gone 38-65 in those games.
• In games they have played as a moneyline underdog with odds of +172 or longer, the Athletics have gone 3-8 (27.3%).
• The Athletics have played in 140 games with a set over/under, and have combined with their opponents to go over the total 71 times (71-67-2).
• The Athletics have collected a 64-76-0 record ATS this season.

Mariners Player Leaders

• Randy Arozarena has 134 hits this season and a team-best OBP of .368. He has a .272 batting average and a slugging percentage of .465.
• Among qualified hitters in MLB, his batting average ranks 41st, his on-base percentage ranks 21st, and he is 40th in slugging.
• Arozarena has picked up at least one hit in three games in a row. In his last five games he is batting .261 with a double, two home runs and eight RBIs.
• Josh Naylor has hit 10 homers this season while driving in 48 runs. He's batting .268 this season and slugging .364 with an on-base percentage of .327.
• He ranks 48th in batting average, 80th in on-base percentage and 122nd in slugging in the majors.
• 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 is batting .244 with a .382 slugging percentage and 57 RBI this year.
• Julio Rodriguez has 20 home runs, 58 RBI and a batting average of .245 this season.
• Rodriguez brings a three-game hitting streak into this game. In his last five games he is batting .182 with two doubles, a walk and two RBIs.

Athletics Player Leaders

• Jeff McNeil has a .368 slugging percentage, which paces the Athletics. He's batting .268 with an on-base percentage of .317.
• He is 48th in batting average, 93rd in on-base percentage and 119th in slugging percentage among all qualifying hitters in the majors.
• Lawrence Butler has 16 doubles, a triple, 12 home runs and 55 walks while batting .231. He's slugging .370 with an on-base percentage of .327.
• He is currently 112th in batting average, 80th in on-base percentage and 116th in slugging percentage among all qualified hitters.
• Zack Gelof has 14 doubles, a triple, 15 home runs and 26 walks while hitting .256.
• 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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