Mariners vs. Red Sox Dunkel MLB Picks, Predictions and Prop Bets - June 19

The Boston Red Sox bring a four-game losing streak into a home contest versus the Seattle Mariners, at 10:10 p.m. ET on Friday. Bryce Miller (3-0, 1.54 ERA) will start for the Mariners, who are 39-37 this season and first in the AL West. Ranger Suarez (2-3, 3.21 ERA) is the expected starter for the Red Sox, who are 29-43 and fifth in the AL East.

Per the moneyline, the matchup between the Mariners (-113) and Red Sox (-109) looks like a close one. The game's over/under is set at 6.5.

Mariners vs. Red Sox Odds, Game Time

• Game day: Friday, June 19, 2026
• Game time: 10:10 p.m. ET
• Location: Seattle, Washington
• Stadium: T-Mobile Park
• Favorite: Mariners (-113)
• Underdog: Red Sox (-109)
• Over/under: 6.5

How to Watch Mariners vs. Red Sox

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

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Mariners vs. Red Sox: Betting the Moneyline

• The Mariners have won 53.6% of the games this season when they were favored on the moneyline (37-32).
• Boston has won in 10, or 38.5%, of the 26 contests it has been named as odds-on underdogs in this year.
• Seattle is 37-31 this season when entering a game favored by -113 or more on the moneyline.
• This year, the Red Sox have won nine of 25 games when listed as at least -109 or worse on the moneyline.
• The Mariners have a 53.1% chance to win this contest based on the moneyline's implied probability.
• The moneyline set for this matchup implies the Red Sox have a 52.2% chance of walking away with the win.

Mariners vs. Red Sox: Betting the Spread & Total

• The Mariners have played in 76 games with over/under set, and have combined with opponents to go over the total 37 times (37-36-3).
• Boston's games have gone over the total in 31 of its 72 chances.
• The Mariners have a 29-47-0 record against the spread this season (covering just 38.2% of the time).
• The Red Sox have an against the spread mark of 29-43-0 in 72 games with a line this season.