Mariners vs Red Sox Prediction, Odds, Moneyline, Spread & Over/Under for June 19

Odds updated as of 5:12 a.m.

The Seattle Mariners versus the Boston Red Sox is on the MLB schedule for Friday.

Here's everything you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

Mariners vs Red Sox Game Info

• Seattle Mariners (39-37) vs. Boston Red Sox (29-43)
• Date: Friday, June 19, 2026
• Time: 10:10 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: Mariners.TV and NESN

Mariners vs Red Sox Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-130) | BOS: (+110)
• Spread: SEA: -1.5 (+164) | BOS: +1.5 (-200)
• Total: 7 -- Over: (+100) | Under: (-122)

Mariners vs Red Sox Probable Starting Pitchers

Probable Pitchers: Bryce Miller (Mariners) - 3-0, 1.54 ERA vs Ranger Suarez (Red Sox) - 2-3, 3.21 ERA

This contest's pitching matchup is set, as the Mariners will send Bryce Miller (3-0) to the mound, while Ranger Suarez (2-3) will get the nod for the Red Sox. When Miller starts, his team is 1-3-0 against the spread this season. Miller's team has won 50% of his starts when they are favored on the moneyline (2-2). When Suarez starts, the Red Sox have gone 6-7-0 against the spread. The Red Sox are 2-2 in Suarez's four starts this season that they were the underdog on the moneyline.

Mariners vs Red Sox Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (53.4%)

Mariners vs Red Sox Moneyline

• Looking at the moneyline for Mariners-Red Sox, Seattle is the favorite at -130, and Boston is +110 playing on the road.

Mariners vs Red Sox Spread

• The Mariners are favored by 1.5 runs at home versus the Red Sox. The Mariners are +164 to cover the spread, while the Red Sox are -200.

Mariners vs Red Sox Over/Under

• A combined run total of 7 has been set for Mariners-Red Sox on June 19, with the over at +100 and the under at -122.

Bet on Seattle Mariners vs. Boston Red Sox on FanDuel today!

Mariners vs Red Sox Betting Trends

• The Mariners have been favorites in 68 games this season and have come away with the win 36 times (52.9%) in those contests.
• This season Seattle has been victorious 30 times in 52 chances when named as a favorite of at least -130 on the moneyline.
• Contests with the Mariners have gone over the total set by oddsmakers in 36 of 75 chances this season.
• The Mariners have posted a record of 28-47-0 against the spread this season.
• The Red Sox have a 9-16 record in games they were the underdog on the moneyline (winning 36% of those games).
• Boston has a 4-10 record (winning only 28.6% of its games) when it has played as a moneyline underdog of +110 or longer.
• In the 72 games oddsmakers have set an over/under for the Red Sox, they have combined with opponents to go over the total 32 times (32-38-2).
• The Red Sox are 29-43-0 ATS this season.

Mariners Player Leaders

• Julio Rodriguez has 15 doubles, 13 home runs and 25 walks while batting .249. He has an on-base percentage of .310 and a slugging percentage of .429.
• Among all qualified batters in MLB, he is 87th in batting average, 118th in on-base percentage, and 76th in slugging.
• Rodriguez has hit safely in two games in a row. During his last five outings he is batting .167 with a double, two walks and an RBI.
• Josh Naylor is batting .253 with eight doubles, eight home runs and 23 walks. He's slugging .370 with an on-base percentage of .314.
• Among qualifying hitters, he ranks 76th in batting average, 108th in on-base percentage and 121st in slugging percentage.
• Naylor takes a two-game streak with at least one hit into this one. During his last five outings he is batting .150 with a double, a home run, a walk and an RBI.
• Dominic Canzone is batting .288 with a .565 slugging percentage and 31 RBI this year.
• Cole Young has been key for Seattle with 71 hits, an OBP of .318 plus a slugging percentage of .370.
• Young brings a two-game hitting streak into this game. During his last five outings he is hitting .250 with a double, a home run and two RBIs.

Red Sox Player Leaders

• Willson Contreras has accumulated an on-base percentage of .384 and has 72 hits, both team-high numbers for the Red Sox. He's batting .289 and slugging .542.
• He is 24th in batting average, 14th in on-base percentage and 11th in slugging percentage among all qualifying hitters in the big leagues.
• Wilyer Abreu is slugging .426 to lead his team. He has a batting average of .274 with an on-base percentage of .333.
• He ranks 49th in batting average, 79th in on-base percentage and 79th in slugging percentage in the majors.
• Ceddanne Rafaela is hitting .287 with 16 doubles, two triples, seven home runs and 14 walks.
• Jarren Duran is hitting .210 with nine doubles, two triples, 12 home runs and 20 walks.

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