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

Odds updated as of 6:12 a.m.

The Friday slate in MLB includes a matchup between the Seattle Mariners and the Boston Red Sox.

Before you do any MLB betting on this matchup at FanDuel Sportsbook, here's what you need to know.

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 (+162) | BOS: +1.5 (-196)
• Total: 6.5 -- Over: (-122) | Under: (+100)

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. When Miller starts a game and his team is the favorite on the moneyline, they have a record of 2-2. The Red Sox have a 6-7-0 ATS record in Suarez's 13 starts that had a set spread. The Red Sox have a 2-2 record in Suarez's four starts this season when they were the moneyline underdog.

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 hosting the Red Sox and are favored by 1.5 runs (+162 to cover) on the runline. Boston is -196 to cover.

Mariners vs Red Sox Over/Under

• A combined run total of 6.5 has been set for Mariners-Red Sox on June 19, with the over at -122 and the under at +100.

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

Mariners vs Red Sox Betting Trends

• The Mariners have come away with 36 wins in the 68 contests they have been listed as the favorites in this season.
• This year Seattle has won 30 of 52 games when listed as at least -130 on the moneyline.
• Contests with the Mariners have gone over the total set by sportsbooks in 36 of 75 chances this season.
• The Mariners have an against the spread mark of 28-47-0 in 75 games with a line this season.
• The Red Sox have won 36% of the games this season they were the moneyline underdog (9-16).
• Boston has a record of 4-10 when playing as a moneyline underdog with odds of +110 or longer (28.6%).
• The Red Sox have combined with opponents to go over the total 32 times this season for a 32-38-2 record against the over/under.
• The Red Sox have covered 40.3% of their games this season, going 29-43-0 ATS.

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 qualified hitters in baseball, he ranks 87th in batting average, 118th in on-base percentage, and 76th in slugging.
• Rodriguez hopes to build on a two-game hitting streak in this matchup. During his last five outings he is batting .167 with a double, two walks and an RBI.
• Josh Naylor is hitting .253 with eight doubles, eight home runs and 23 walks. He's slugging .370 with an on-base percentage of .314.
• Among all qualifying hitters, he ranks 76th in batting average, 108th in on-base percentage and 121st in slugging percentage.
• Naylor has picked up a hit in two straight games. During his last five outings he is batting .150 with a double, a home run, a walk and an RBI.
• Dominic Canzone has collected 49 base hits, an OBP of .363 and a slugging percentage of .565 this season.
• Cole Young has six home runs, 34 RBI and a batting average of .257 this season.
• Young has safely hit in two straight games. During his last five outings he is batting .250 with a double, a home run and two RBIs.

Red Sox Player Leaders

• Willson Contreras has put up an on-base percentage of .384 and has 72 hits, both team-best numbers for the Red Sox. He's batting .289 and slugging .542.
• Including all the qualifying hitters in the big leagues, his batting average is 24th, his on-base percentage is 14th, and he is 11th in slugging.
• Wilyer Abreu paces his team with a .426 slugging percentage. He has a batting average of .274 with an on-base percentage of .333.
• He is currently 49th in batting average, 79th in on-base percentage and 79th in slugging percentage among all qualified batters.
• Ceddanne Rafaela is batting .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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