Mariners vs. Athletics Dunkel MLB Picks, Predictions and Prop Bets - Sept. 12

The Seattle Mariners and Athletics square off on Saturday at 9:40 p.m. ET, at Sutter Health Park. Bryan Woo (11-9, 4.03 ERA) gets the start for the Mariners, who are 69-79 this season and third in the AL West. Gage Jump (6-10, 5.12 ERA) is the expected starter for the Athletics, who are 60-88 and fourth in the AL West.

Despite playing away from home the Mariners are at -180 to win, compared to the Athletics at +145. The over/under for this contest is set at 9.5.

Mariners vs. Athletics Odds, Game Time

• Game day: Saturday, September 12, 2026
• Game time: 9:40 p.m. ET
• Location: West Sacramento, California
• Stadium: Sutter Health Park
• Favorite: Mariners (-180)
• Underdog: Athletics (+145)
• Over/under: 9.5

How to Watch Mariners vs. Athletics

• TV Channel: NBCS-CA and SEAM
• Live Stream: Fubo (Watch for free)

Bet now on FanDuel Sportsbook!

Mariners vs. Athletics: Betting the Moneyline

• The Mariners are 56-56 in games they were favored on the moneyline (winning 50% of those games).
• The Athletics have been victorious in 44, or 39.3%, of the 112 contests they have been chosen as underdogs in this season.
• The Mariners have a record of 8-5, a 61.5% win rate, when they're favored by -180 or more by oddsmakers this season.
• This season, the Athletics have come away with a win 11 times in 36 chances when named as an underdog of at least +145 or worse on the moneyline.
• The Mariners have a 64.3% chance to win this matchup based on the moneyline's implied probability.
• Oddsmakers have implied with the moneyline set for this matchup that the Athletics have a 40.8% chance of pulling out a win.

Mariners vs. Athletics: Betting the Spread & Total

• The Mariners have combined with their opponents to hit the over on the total 76 times this season for a 76-63-9 record against the over/under.
• Games involving the Athletics have gone over the total set by bookmakers in 75 of 148 chances this season.
• The Mariners have a 56-92-0 record ATS this season.
• The Athletics have an against the spread record of 70-78-0 in 148 games with a line this season.