Mariners vs. Athletics Dunkel MLB Picks, Predictions and Prop Bets - May 25

The Seattle Mariners and Athletics clash in the first of a three-game series on Monday at Sutter Health Park, at 9:40 p.m. ET. Luis Castillo (1-5, 6.41 ERA) will start for the Mariners, who are 25-29 this season and second in the AL West. Aaron Civale (5-1, 3.31 ERA) is the expected starter for the Athletics, who are 27-26 and first in the AL West.

Bookmakers expect a close matchup between the Mariners (-115 to win) and the Athletics (-104). The total for this contest is set at 10.5.

Mariners vs. Athletics Odds, Game Time

• Game day: Monday, May 25, 2026
• Game time: 9:40 p.m. ET
• Location: West Sacramento, California
• Stadium: Sutter Health Park
• Favorite: Mariners (-115)
• Underdog: Athletics (-104)
• Over/under: 10.5

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 a 24-26 record in games they were listed as the moneyline favorite (winning 48% of those games).
• The Athletics have been underdogs in 35 games this season and have come away with the win 20 times (57.1%) in those contests.
• This season, the Mariners have won 24 of their 50 games, or 48%, when favored by at least -115 on the moneyline.
• This season, the Athletics have come away with a win 19 times in 32 chances when named as an underdog of at least -104 or worse on the moneyline.
• The implied moneyline probablility in this matchup gives the Mariners a 53.5% chance to win.
• The moneyline set for this matchup implies the Athletics have a 51% chance of coming away with a victory in the contest.

Mariners vs. Athletics: Betting the Spread & Total

• The Mariners have combined with their opponents to go over the total 24 times this season for a 24-28-2 record against the over/under.
• The Athletics and their opponents have hit the over in 24 of their 53 games with a total this season.
• The Mariners are 19-35-0 against the spread this season.
• The Athletics have an against the spread mark of 28-25-0 in 53 games with a line this season.