Mariners vs. Athletics Dunkel MLB Picks, Predictions and Prop Bets - Sept. 13

The Seattle Mariners visit the Athletics at 4:05 p.m. ET on Sunday, with both teams hoping to win the series. Bryce Miller (4-9, 4.22 ERA) gets the start for the Mariners, who are 70-79 this season and third in the AL West. Jacob Lopez (6-4, 4.78 ERA) is the expected starter for the Athletics, who are 60-89 and fourth in the AL West.

Despite playing away from home the Mariners are at -161 to win, compared to the Athletics at +130. The over/under in this contest is set at 9.5.

Mariners vs. Athletics Odds, Game Time

• Game day: Sunday, September 13, 2026
• Game time: 4:05 p.m. ET
• Location: West Sacramento, California
• Stadium: Sutter Health Park
• Favorite: Mariners (-161)
• Underdog: Athletics (+130)
• 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 have won 50.4% of the games this season when they were favored on the moneyline (57-56).
• The Athletics have won in 44, or 38.9%, of the 113 contests they have been named as odds-on underdogs in this year.
• The Mariners have a record of 16-13, a 55.2% win rate, when they're favored by -161 or more by oddsmakers this season.
• This year, the Athletics have won 20 of 52 games when listed as at least +130 or better on the moneyline.
• The Mariners have a 61.7% chance to win this game based on the moneyline's implied probability.
• The moneyline set for this matchup implies the Athletics have a 43.5% chance of coming away with a victory in the contest.

Mariners vs. Athletics: Betting the Spread & Total

• The Mariners have played in 149 games with a set over/under, and have combined with their opponents to go over the total 77 times (77-63-9).
• The Athletics and their opponents have hit the over in 76 of their 149 games with a total this season.
• The Mariners have gone 57-92-0 ATS this season.
• The Athletics have an against the spread mark of 70-79-0 in 149 games with a line this season.