Mariners vs Athletics Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 5

Odds updated as of 9:12 p.m.

The MLB's Saturday schedule includes the Seattle Mariners facing the Athletics.

We've got you covered, in terms of the most important info regarding this matchup before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

Mariners vs Athletics Game Info

• Seattle Mariners (66-76) vs. Athletics (56-86)
• Date: Saturday, September 5, 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: (-198) | OAK: (+166)
• Spread: SEA: -1.5 (+114) | OAK: +1.5 (-137)
• Total: 7.5 -- Over: (-108) | Under: (-112)

Mariners vs Athletics Probable Starting Pitchers

Probable Pitchers: George Kirby (Mariners) - 9-10, 4.19 ERA vs Jeffrey Springs (Athletics) - 3-13, 6.37 ERA

The probable pitchers are George Kirby (9-10) for the Mariners and Jeffrey Springs (3-13) for the Athletics. Kirby and his team are 9-17-0 ATS this season when he starts. Kirby's team has won 52.2% of his starts when they are favored on the moneyline (12-11). The Athletics have gone 10-15-0 against the spread when Springs starts. The Athletics are 5-13 in Springs' 18 starts this season that they were the moneyline underdog.

Mariners vs Athletics Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (60.1%)

Mariners vs Athletics Moneyline

• The Mariners vs Athletics moneyline has the Mariners as a -198 favorite, while the Athletics are a +166 underdog on the road.

Mariners vs Athletics Spread

• The Mariners are 1.5-run favorites on the runline against the Athletics. The Mariners are +114 to cover, while the Athletics are -137 to cover.

Mariners vs Athletics Over/Under

• The over/under for the Mariners versus Athletics contest on Sept. 5 has been set at 7.5, with -108 odds on the over and -112 odds on the under.

Bet on Seattle Mariners vs. Athletics on FanDuel today!

Mariners vs Athletics Betting Trends

• The Mariners have been favorites in 105 games this season and have come away with the win 52 times (49.5%) in those contests.
• This season, the Mariners have come away with a win three times in five chances when named as a favorite of at least -198 or better on the moneyline.
• The Mariners and their opponents have hit the over in 73 of their 140 games with a total this season.
• The Mariners are 52-88-0 against the spread in their 140 games that had a posted line this season.
• The Athletics are 40-65 in games they were listed as the moneyline underdog (winning 38.1% of those games).
• In games they have played as a moneyline underdog with odds of +166 or longer, the Athletics have gone 5-8 (38.5%).
• The Athletics have combined with their opponents to go over the total 73 times this season for a 73-67-2 record against the over/under.
• The Athletics have a 66-76-0 record against the spread this season (covering 46.5% of the time).

Mariners Player Leaders

• Randy Arozarena has 135 hits this season and a team-best OBP of .370. He has a .271 batting average and a slugging percentage of .464.
• Among qualified hitters in baseball, his batting average ranks 41st, his on-base percentage ranks 16th, and he is 38th in slugging.
• Josh Naylor has hit 10 homers this season while driving in 49 runs. He's batting .269 this season and slugging .366 with an on-base percentage of .327.
• Among qualifying batters, he ranks 45th in batting average, 77th in on-base percentage and 122nd in slugging percentage.
• Julio Rodriguez is batting .242 with a .398 slugging percentage and 61 RBI this year.
• Cole Young is batting .246 with a .308 OBP and 58 RBI for Seattle this season.
• Young brings a two-game hitting streak into this game. During his last five outings he is batting .238 with a double, a walk and an RBI.

Athletics Player Leaders

• Jeff McNeil has put up a slugging percentage of .379, a team-high for the Athletics. He's batting .271 with an on-base percentage of .321.
• He ranks 41st in batting average, 88th in on-base percentage and 112th in slugging percentage among all qualified hitters in MLB.
• McNeil brings a four-game hitting streak into this game. In his last five games he is batting .364 with a double, two home runs, a walk and five RBIs.
• Zack Gelof is batting .260 with 14 doubles, two triples, 17 home runs and 26 walks. He's slugging .476 with an on-base percentage of .326.
• Lawrence Butler has 16 doubles, a triple, 12 home runs and 55 walks while batting .233.
• Jonah Heim is batting .218 with 17 doubles, 13 home runs and 24 walks.

Mariners vs Athletics Head to Head

• 9/4/2026: 7-6 OAK (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -235, Underdog Moneyline: +194)
• 9/3/2026: 7-4 OAK (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -205, Underdog Moneyline: +172)
• 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)

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