Mariners vs. Orioles Dunkel MLB Picks, Predictions and Prop Bets - June 17

The Baltimore Orioles bring a three-game losing streak into a home matchup versus the Seattle Mariners, at 9:40 p.m. ET on Wednesday. George Kirby (5-6, 4.07 ERA) will start for the Mariners, who are 38-36 this season and first in the AL West. Kyle Bradish (3-7, 4.30 ERA) is the expected starter for the Orioles, who are 34-40 and fourth in the AL East.

With the Orioles (+130) visiting, the Mariners (-154) are a solid favorite on the moneyline. The total for this contest is set at 7.5.

Mariners vs. Orioles Odds, Game Time

• Game day: Wednesday, June 17, 2026
• Game time: 9:40 p.m. ET
• Location: Seattle, Washington
• Stadium: T-Mobile Park
• Favorite: Mariners (-154)
• Underdog: Orioles (+130)
• Over/under: 7.5

How to Watch Mariners vs. Orioles

• TV Channel: SEAM and MASN
• Live Stream: Fubo (Watch for free)

Bet now on FanDuel Sportsbook!

Mariners vs. Orioles: Betting the Moneyline

• The Mariners have put together a 36-31 record in games they were favored on the moneyline (winning 53.7% of those games).
• Baltimore has won in 16, or 42.1%, of the 38 contests it has been named as odds-on underdogs in this year.
• Seattle has a record of 8-7, a 53.3% win rate, when favored by -154 or more by oddsmakers this season.
• This season, the Orioles have come away with a win one times in five chances when named as an underdog of at least +130 or worse on the moneyline.
• Based on this matchup's moneyline, the Mariners have an implied win probability of 60.6%.
• The Orioles have an implied victory probability of 43.5% according to the moneyline set by sportsbooks for this matchup.

Mariners vs. Orioles: Betting the Spread & Total

• The Mariners have played in 74 games with set over/under, and have combined with opponents to go over the total 36 times (36-35-3).
• Baltimore and its opponents have hit the over in 43 of its 74 games with a total this season.
• The Mariners have collected a 28-46-0 record against the spread this season.
• The Orioles are 35-39-0 against the spread in their 74 games that had a posted line this season.