Jun 16, 2025; Seattle, Washington, USA; Seattle Mariners catcher Cal Raleigh (29) strikes out on a pitch in the dirt to end during the third inning against the Boston Red Sox at T-Mobile Park. Mandatory Credit: Joe Nicholson-Imagn Images

Boston Red Sox vs Seattle Mariners Prediction 06/17/2025 Picks

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Boston (38-36) vs Seattle (36-35)

June 17, 2025 at 09:40 PM EDT

The Line: Betting Odds: Seattle 0.0001 — Over/Under: 0.0001

(Get latest betting odds)

In this article, we will formulate a Red Sox vs Mariners prediction for this MLB game on Tuesday, June 17, at T-Mobile Park in Seattle, Washington. Let’s take a look at the prediction for this MLB matchup.

Boston Red Sox Betting Preview

The Boston Red Sox (38-36, 16-19 Away) beat their rivals New York Yankees, twice in ten days, including the recent three-game sweep, while they also defeated the Tampa Bay Rays in the meantime. The Red Sox are in their best form this season and are on a six-game winning streak following a Game 1 victory over the Seattle Mariners. In Monday’s 2-0 victory, Lucas Giolito got the win after allowing no runs on three hits with ten strikeouts and one walk across 6.0 innings of work.

This year, the Red Sox average 4.80 runs per game (6th in the MLB) on a .252/.326/.421 triple-slash. When it comes to pitching, the Red Sox’s staff has a 3.91 ERA (17th) and 1.31 WHIP (21st). Jarren Duran leads the Red Sox with a .264 batting average, five home runs, and 38 RBI this season.

The projected starting pitcher for the Red Sox is Walker Buehler, who is 5-4 in 11 starts this season, with a 5.01 ERA and 1.38 WHIP in 55.2 innings.

Seattle Mariners Betting Preview

The Seattle Mariners (36-35, 19-18 Home) snapped a three-series losing run with a sweep of the Cleveland Guardians. Those defeats came to the Orioles, Angels, and Diamondbacks, two of which were sweeps. The M’s continued with their hot and cold form on Monday, when they fell short to the Boston Red Sox in a 2-0 loss at home. Lucas Gilbert took the loss after allowing two runs on three hits with ten strikeouts and one walk in 5.0 innings.

This season, the Mariners’ average 4.34 runs per game (12th in the MLB) on a .242/.322/.395 triple-slash. When it comes to pitching, the Mariners’ staff has a 3.93 ERA (18th) and 1.30 WHIP (19th). Cal Raleigh leads the Mariners with a .259 batting average, 26 home runs, and 54 RBI this season.

Bryan Woo will take the mound for the Mariners on Tuesday. The 25-year-old right-hander has a 5-4 record in 13 starts this year with a 3.39 ERA and 0.98 WHIP in 82.1 innings.

Total Runs Facts

Each of the Red Sox’s last six games have gone UNDER the total runs line.
Each of the last four games between the Red Sox and Mariners at T-Mobile Park have gone UNDER the total runs line.
The ‘Inning 1 OVER 0.5 runs’ market has hit in each of the last four night games between the Red Sox and Mariners.
The ‘Inning 1 OVER 0.5 runs’ market has hit in six of the Red Sox’s last seven road games.

Matchup/League Facts

The Mariners are one of only four teams in the league to rank top 10 in both steals and home runs this season.
The Mariners rank T26th in the league for triples this season (4).
The Red Sox rank 28th in the league for strikeouts against this season (687).
The Red Sox are one of only three teams in the league to rank top 10 in both steals and batting average this season.

Red Sox vs Mariners Prediction

The teams have traded victories in the past couple of years, each recording five in the previous ten H2H encounters. This season, each recorded two wins in four meetings, and two of those went Over. Following a two-run game on Monday, I expect to see more runs on Tuesday. Although I rate Bryan Woo and Walker Buehler highly, they have been struggling in their recent starts. Woo allowed 12 runs in his last three starts, while Buehler surrendered 13 runs in his previous three. I doubt both will get quality starts in this one, while I wouldn’t be surprised if both fail to do so. I expect Seattle to respond offensively after last night’s dud, so make sure to back the Over.

Oliver Zivic's Pick: Over 7.5

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