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

Odds updated as of 10:11 p.m.

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

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: (-112) | BOS: (-104)
• Spread: SEA: +1.5 (-205) | BOS: -1.5 (+168)
• Total: 6.5 -- Over: (-120) | Under: (-102)

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

The Mariners will give the ball to Bryce Miller (3-0, 1.54 ERA), who is eyeing win No. 4 on the season, and the Red Sox will turn to Ranger Suarez (2-3, 3.21 ERA). Miller and his team are 1-3-0 ATS this season when he starts. Miller's team is 2-2 this season when he starts and they are the moneyline favorite. When Suarez starts, the Red Sox are 6-7-0 against the spread. The Red Sox are 2-2 in Suarez's four starts this season that 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 (60.8%)

Mariners vs Red Sox Moneyline

• The moneyline numbers for Mariners vs. Red Sox reveal Seattle as the favorite (-112) and Boston as the underdog (-104) on the road.

Mariners vs Red Sox Spread

• The Red Sox are 1.5-run favorites against the spread for this matchup with the Mariners. The Red Sox are +168 to cover, while the Mariners are -205 to cover as a 1.5-run underdog on the runline.

Mariners vs Red Sox Over/Under

• An over/under of 6.5 has been set for Mariners-Red Sox on June 19, with the over being -120 and the under -102.

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 come away with a win 36 times in 67 chances when named as a favorite of at least -112 on the moneyline.
• The Mariners and their opponents have hit the over in 36 of their 75 games with a total set by oddsmakers this season.
• The Mariners are 28-47-0 against the spread in their 75 games that had a posted line this season.
• The Red Sox have won 36% of the games this season they were the underdog on the moneyline (9-16).
• Boston has gone 9-16 in games it has played as a moneyline underdog with odds of -104 or longer (36%).
• The Red Sox have played in 72 games with an over/under set, and have combined with opponents to go over the total 32 times (32-38-2).
• The Red Sox have covered 40.3% of their games this season, going 29-43-0 against the spread.

Mariners Player Leaders

• Julio Rodriguez is hitting .249 with 15 doubles, 13 home runs and 25 walks. He has an on-base percentage of .310 and a slugging percentage of .429.
• Among all qualified hitters in baseball, he ranks 87th in batting average, 117th in on-base percentage, and 76th in slugging.
• Rodriguez will look for his third straight game with a hit in this contest. During his last five outings he is hitting .167 with a double, two walks and an RBI.
• Josh Naylor has eight doubles, eight home runs and 23 walks. He's batting .253 and slugging .370 with an on-base percentage of .314.
• Among qualified hitters, he ranks 76th in batting average, 110th in on-base percentage and 121st in slugging percentage.
• Naylor heads into this game looking to extend his two-game hit streak. In his last five games he is hitting .150 with a double, a home run, a walk and an RBI.
• Dominic Canzone has 49 hits this season and has a slash line of .288/.363/.565.
• Cole Young has six home runs, 34 RBI and a batting average of .257 this season.
• 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 a team-high OBP (.384), while pacing the Red Sox in hits (72). He's batting .289 and slugging.
• 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 paces his team with a .426 slugging percentage. He has a batting average of .274 with an on-base percentage of .333.
• He ranks 49th in batting average, 80th in on-base percentage and 79th in slugging percentage in MLB.
• Ceddanne Rafaela has 16 doubles, two triples, seven home runs and 14 walks while batting .287.
• Jarren Duran has nine doubles, two triples, 12 home runs and 20 walks while hitting .210.

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