Mariners vs Athletics Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 4

Odds updated as of 6:13 a.m.

MLB action on Friday includes the Seattle Mariners playing the Athletics.

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

Mariners vs Athletics Game Info

• Seattle Mariners (66-75) vs. Athletics (55-86)
• Date: Friday, September 4, 2026
• Time: 10:10 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: (-220) | OAK: (+184)
• Spread: SEA: -1.5 (+105) | OAK: +1.5 (-126)
• Total: 7.5 -- Over: (+102) | Under: (-124)

Mariners vs Athletics Probable Starting Pitchers

Probable Pitchers: Logan Gilbert (Mariners) - 11-8, 3.42 ERA vs Kade Morris (Athletics) - 0-1, 9.82 ERA

The probable pitchers are Logan Gilbert (11-8) for the Mariners and Kade Morris (0-1) for the Athletics. When Gilbert starts, his team is 14-13-0 against the spread this season. Gilbert's team has won 65% of his starts when they are favored on the moneyline (13-7). Morris has started only one game with a set spread, which the Athletics failed to cover. The Athletics were the moneyline underdog for one Morris start this season -- they lost.

Mariners vs Athletics Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (56.7%)

Mariners vs Athletics Moneyline

• The Mariners vs Athletics moneyline has the Mariners as a -220 favorite, while the Athletics are a +184 underdog on the road.

Mariners vs Athletics Spread

• The Mariners are 1.5-run favorites on the runline against the Athletics. The Mariners are +105 to cover, while the Athletics are -126 to cover.

Mariners vs Athletics Over/Under

• The Mariners-Athletics contest on Sept. 4 has been given an over/under of 7.5 runs. The over is set at +102 and the under at -124.

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Mariners vs Athletics Betting Trends

• The Mariners have been victorious in 52, or 50%, of the 104 contests they have been chosen as favorites in this season.
• The Mariners have been named as a favorite of -220 or more just one time this season and came away with a victory in that game.
• The Mariners and their opponents have hit the over in 72 of their 139 games with a total this season.
• In 139 games with a line this season, the Mariners have a mark of 52-87-0 against the spread.
• The Athletics have won 37.5% of the games this season they were the moneyline underdog (39-65).
• When they have played as a moneyline underdog with odds of +184 or longer, the Athletics have a record of 3-6 (33.3%).
• The Athletics have combined with their opponents to hit the over on the total 72 times this season for a 72-67-2 record against the over/under.
• The Athletics have collected a 65-76-0 record against the spread this season (covering 46.1% of the time).

Mariners Player Leaders

• Randy Arozarena has 135 hits this season and a team-best OBP of .370. He has a .273 batting average and a slugging percentage of .467.
• Among qualified hitters in baseball, his batting average ranks 37th, his on-base percentage ranks 16th, and he is 36th in slugging.
• Arozarena hopes to build on a four-game hitting streak in this matchup. In his last five games he is hitting .318 with two doubles, two home runs, a walk and eight RBIs.
• Josh Naylor has an OPS of .685, fueled by an OBP of .324 and a team-best slugging percentage of .361 this season. He's batting .265.
• He ranks 53rd in batting average, 84th in on-base percentage and 122nd in slugging in the major leagues.
• Julio Rodriguez has collected 126 base hits, an OBP of .306 and a slugging percentage of .402 this season.
• Rodriguez takes a four-game hitting streak into this matchup. During his last five outings he is hitting .217 with three doubles, a walk and four RBIs.
• Cole Young is batting .246 with a .309 OBP and 57 RBI for Seattle this season.

Athletics Player Leaders

• Jeff McNeil has racked up a team-best .371 slugging percentage. He's batting .270 with an on-base percentage of .320.
• Including all qualifying hitters in the majors, he ranks 44th in batting average, 89th in on-base percentage and 115th in slugging percentage.
• McNeil hopes to build on a three-game hitting streak in this matchup. During his last five outings he is batting .318 with two doubles, a home run, a walk and four RBIs.
• Lawrence Butler is hitting .233 with 16 doubles, a triple, 12 home runs and 55 walks. He's slugging .371 with an on-base percentage of .327.
• He is currently 111th in batting average, 78th in on-base percentage and 115th in slugging percentage among all qualifying batters.
• Zack Gelof is batting .258 with 14 doubles, a triple, 16 home runs and 26 walks.
• Jonah Heim is batting .218 with 17 doubles, 13 home runs and 24 walks.

Mariners vs Athletics Head to Head

• 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)
• 8/22/2025: 3-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -215, Underdog Moneyline: +180)

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