Red Sox vs. Mariners Prediction, Odds, Picks - April 23

Cal Raleigh and the Seattle Mariners hit the field on Wednesday at Fenway Park against Sean Newcomb, who is projected to start for the Boston Red Sox. First pitch is at 6:45 p.m. ET. The Red Sox are favored in this one, at -141, while the underdog Mariners have +120 odds to play spoiler. Boston is the run-line favorite (-1.5). The total for the contest is listed at 9.5 runs.

Check out everything you need from a betting perspective on the Red Sox-Mariners game, regarding the run line, moneyline and total, plus expert picks.

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Red Sox vs. Mariners Highlights | MLB on FOX

Check out the top moments from this MLB game between the Boston Red Sox and the Seattle Mariners!

Red Sox vs. Mariners Game Information & Odds

• When: Wednesday, April 23, 2025 at 6:45 p.m. ET
• Where: Fenway Park in Boston, Massachusetts
• How to watch on TV: NESN and ROOT Sports NW

Red Sox vs. Mariners Prediction

• Score Prediction: Mariners 6, Red Sox 5
• Total Prediction: Over 9.5 runs
• Win Probabilities: Red Sox 50%, Mariners 50%

Red Sox vs. Mariners Betting Insights

• This season, the Red Sox have won 11 out of the 18 games, or 61.1%, in which they've been favored.
• Boston is 4-4 this season when entering a game favored by -141 or more on the moneyline.
• The moneyline for this contest implies a 58.5% chance of a victory for the Red Sox.
• The Mariners have been chosen as underdogs in nine games this year and have walked away with the win four times (44.4%) in those games.
• Seattle has been listed as an underdog of +120 or more on two occasions this season and split those games.
• The Mariners have an implied victory probability of 45.5% according to the moneyline set by sportsbooks for this matchup.

Red Sox Recent Betting Performance

• The Red Sox have a 5-2 record across the seven games they were favored on the moneyline in their last 10 matchups.
• In their last 10 matchups -- all had a set run total -- the Red Sox and their opponents combined to go over the total five times.
• The Red Sox have put together a 6-4-0 record against the spread over their past 10 games.

Red Sox Recent Stats

Red Sox Player Insights

• Alexander David Bregman is the Red Sox RBI leader this season, knocking in 19 runs to go with his four home runs and .302 batting average.
• In all of the majors, Bregman ranks 45th in home runs and ninth in RBI.
• Bregman carries a three-game hitting streak into this matchup. During his last five outings he is hitting .222 with two doubles, five walks and three RBI.
• Wilyer Abreu has six doubles, four home runs and 16 walks while hitting .299.
• Abreu is 45th in home runs and 29th in RBI in the majors.
• Trevor Story paces the Red Sox with five home runs while accumulating a team-best batting average of .319.
• Kristian Campbell is batting .300 with five doubles, three home runs and 15 walks.

Red Sox Team Props

Mariners Recent Betting Performance

• In four games over the last 10 matchups when set as underdogs by bookmakers, the Mariners had a record of 2-2.
• When it comes to hitting the over, the Mariners and their opponents are 7-3-0 in their last 10 games with a total.
• Over their last 10 games, the Mariners are 7-3-0 against the spread.

Mariners Recent Stats

Mariners Player Insights

• Raleigh paces the Mariners with nine homers while recording a team-best batting average of .244.
• In all of the big leagues, Raleigh ranks first in home runs and 23rd in RBI.
• Raleigh has collected a hit in six games in a row. During his last 10 games he is hitting .317 with three doubles, seven home runs, six walks and 13 RBI.
• Randy Arozarena has racked up 17 runs batted in to pace his team.
• Arozarena is 45th among all batters in MLB in home runs, and 20th in RBI.
• Julio Rodriguez has three doubles, two triples, three home runs and 13 walks while batting .191.
• Dylan Moore is batting .300 with a double, five home runs and six walks.

Mariners Team Props

Red Sox vs. Mariners Highlights | MLB on FOX

Check out the top moments from this MLB game between the Boston Red Sox and the Seattle Mariners!

FOX Sports created this story using technology provided by Data Skrive and data from Sportradar.

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