Mariners vs Red Sox Prediction, Odds, Moneyline, Spread & Over/Under for June 16

Odds updated as of 9:11 p.m.

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

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

Mariners vs Red Sox Game Info

• Seattle Mariners (36-34) vs. Boston Red Sox (37-36)
• Date: Monday, June 16, 2025
• Time: 9:40 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: ROOT Sports NW and NESN

Mariners vs Red Sox Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-178) | BOS: (+150)
• Spread: SEA: -1.5 (+122) | BOS: +1.5 (-146)
• Total: 7 -- Over: (-118) | Under: (-104)

Mariners vs Red Sox Probable Starting Pitchers

Probable Pitchers: Logan Gilbert (Mariners) - 1-1, 2.37 ERA vs Lucas Giolito (Red Sox) - 2-1, 5.45 ERA

This contest's pitching matchup is set, as the Mariners will send Logan Gilbert (1-1) to the mound, while Lucas Giolito (2-1) will get the nod for the Red Sox. Gilbert and his team have a record of 3-3-0 against the spread when he starts. Gilbert's team has won 66.7% of his starts when they are favored on the moneyline (4-2). When Giolito starts, the Red Sox have gone 5-3-0 against the spread. The Red Sox are 2-1 in Giolito's three 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 (63.6%)

Mariners vs Red Sox Moneyline

• Looking at the moneyline for Mariners-Red Sox, Seattle is the favorite at -178, and Boston is +150 playing on the road.

Mariners vs Red Sox Spread

• The Mariners are 1.5-run home favorites on the runline against the Red Sox. The Mariners are +122 to cover, and the Red Sox are -146.

Mariners vs Red Sox Over/Under

• Mariners versus Red Sox on June 16 has an over/under of 7 runs, with the odds on the over -118 and the under set at -104.

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

Mariners vs Red Sox Betting Trends

• The Mariners have been chosen as favorites in 44 games this year and have walked away with the win 23 times (52.3%) in those games.
• This season Seattle has been victorious four times in eight chances when named as a favorite of at least -178 on the moneyline.
• Contests with the Mariners have gone over the total set by bookmakers in 36 of 69 chances this season.
• The Mariners have an against the spread mark of 30-39-0 in 69 games with a line this season.
• The Red Sox have won 11 of the 23 games they were the underdog on the moneyline this season (47.8%).
• Boston is 2-3 (winning 40% of its games) when playing as a moneyline underdog of +150 or longer.
• The Red Sox have played in 73 games with an over/under set, and have combined with opponents to go over the total 33 times (33-38-2).
• The Red Sox are 38-35-0 against the spread this season.

Mariners Player Leaders

• Cal Raleigh leads Seattle in total hits (67) this season while batting .263 with 38 extra-base hits. He has an on-base percentage of .374 and a slugging percentage of .616.
• Among all qualified hitters in baseball, his batting average ranks 68th, his on-base percentage ranks 23rd, and he is third in slugging.
• Raleigh will look for his third straight game with a hit in this contest. During his last five outings he is hitting .222 with a double, four walks and an RBI.
• Julio Rodriguez has an OPS of .742, fueled by an OBP of .323 and a team-best slugging percentage of .419 this season. He's batting .261.
• Among qualifying hitters, he is 71st in batting average, 91st in on-base percentage and 88th in slugging percentage.
• J.P. Crawford leads Seattle in OBP (.411) this season, fueled by 71 hits.
• Crawford takes a three-game hitting streak into this game. During his last five outings he is batting .421 with a double, a home run, four walks and five RBIs.
• Jorge Polanco has 11 home runs, 35 RBI and a batting average of .262 this season.

Red Sox Player Leaders

• Jarren Duran has put up a slugging percentage of .417, a team-high for the Red Sox. He's batting .264 with an on-base percentage of .319.
• Including all qualified players, he ranks 65th in batting average, while his on-base percentage is 102nd and he is 91st in slugging.
• Ceddanne Rafaela is batting .253 with 11 doubles, two triples, six home runs and 14 walks. He's slugging .395 with an on-base percentage of .303.
• Including all qualified players, he is 85th in batting average, 123rd in on-base percentage and 111th in slugging percentage.
• Carlos Narvaez is hitting .286 with 15 doubles, six home runs and 24 walks.
• Trevor Story is hitting .234 with seven doubles, nine home runs and 13 walks.

Mariners vs Red Sox Head to Head

• 4/24/2025: 4-3 SEA (Favorite: Red Sox, Spread: -1.5, Total: 8, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 4/23/2025: 8-5 SEA (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 4/22/2025: 8-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 7/31/2024: 3-2 BOS (Favorite: Mariners, Spread: -1.5, Total: 9.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 7/30/2024: 10-6 SEA (Favorite: Mariners, Spread: -1.5, Total: 10.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 7/29/2024: 14-7 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 3/31/2024: 5-1 BOS (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 3/30/2024: 4-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 3/29/2024: 1-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -156, Underdog Moneyline: +132)
• 3/28/2024: 6-4 BOS (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -154, Underdog Moneyline: +130)

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