MLB Picks

Red Sox vs Mariners Prediction 9/2/26 MLB Picks Today

Seattle Mariners (65-74) vs. Boston Red Sox (75-64)
September 2, 2026 4:10 pm EDT
The Line: Boston Red Sox -137 / Seattle Mariners 114; Over/Under: 8.5
(Get latest betting odds)

In this article we will formulate a Red Sox vs Mariners prediction for this MLB game on Wednesday, September 2nd at Fenway Park in Boston, Massachusetts. Let’s take a look at the prediction for this MLB matchup. 

Boston Red Sox Betting Preview

The Boston Red Sox are 75-64 this season after they split the first two games by scores of 9-8 and 6-9. In game two, Boston tied the game at one in the first inning, but they allowed the next eight runs for the loss. The Red Sox recorded 11 hits and they were led by Jones, who went 1-1 with one home run and two RBIs in the game. Paez allowed 10 hits and eight earned runs over 3.2 innings for the loss, while Olds allowed one earned run in relief. Prior to this series, Boston lost three out of four against the Yankees, but did win two out of three against the Marlins before that. 

This season, Boston has a 3.64 ERA with a 1.24 WHIP and a .242 opponent batting average, while they have scored 624 runs with a .250 batting average and a .323 on base percentage. Willson Contreras has led the Red Sox with 26 home runs and 79 RBIs, while Jarren Duran has added 19 home runs and 68 RBIs. The projected starting pitcher for Boston is Patrick Sandoval, who is 1-3 with a 4.20 ERA and a 1.71 WHIP over 45.0 innings pitched this season. 

Seattle Mariners Betting Preview

The Seattle Mariners are 65-74 this year after they won game two by a score of 9-6 on Tuesday night. Seattle scored nine runs in the first five innings and they cruised to the victory. The Mariners recorded 14 hits and they committed one error in the game, while they were led by Arozarena, who went 1-5 with one home run and three RBIs. Woo allowed five hits and one earned run over 6.0 innings for the win, while Milner allowed two earned runs in relief. Prior to this series, Seattle lost all three against the Blue Jays, but did win two out of three against the Phillies before that. 

This season, Seattle has a 4.19 ERA with a 1.25 WHIP and a .250 opponent batting average, while they have scored 547 runs with a .228 batting average and a .309 on base percentage. Randy Arozarena has led the Mariners with 22 home runs and 65 RBIs, while Dominic Canzone has added 21 home runs and 62 RBIs. The projected starting pitcher for Seattle is Bryce Miller, who is 4-8 with a 4.12 ERA and a 1.09 WHIP over 94.0 innings pitched this year. 

Why the Boston Red Sox will win

  • The Mariners have lost each of their last 11 Wednesday games against AL East opponents.
  • The Red Sox have won six of their last seven games against the Mariners following a loss.
  • The Mariners have failed to cover the run line in each of their last seven day games following a win.
  • The Red Sox have covered the run line in five of their last six day games against the Mariners following a loss.
  • The Red Sox have led after 3 innings in 13 of their last 17 games as home favorites against AL opponents.
  • The Mariners have trailed after 5 innings in three of their last four day games.

Why the Seattle Mariners will win

  • The Red Sox have lost eight of their last nine day games against AL West opponents.
  • The Mariners have won three of their last four games as road underdogs against the Red Sox.
  • The Red Sox have failed to cover the run line in eight of their last nine day games against AL West opponents.
  • The Mariners have covered the run line in each of their last four road games against the Red Sox.
  • The Mariners have led after 3 innings in four of their last five day games against AL East opponents.
  • The Red Sox have trailed after 5 innings in each of their last five Wednesday games against AL West opponents that held a losing record.
  • The Red Sox have lost the first inning in three of their last four day games against opponents that held a losing record.

Total Runs Facts

  • Seven of the Red Sox’s last eight home games have gone OVER the total runs line.
  • Each of the Mariners’ last four day games against AL opponents have gone UNDER the total runs line.
  • There has been at least one run scored in the first inning in each of the Mariners’ last seven games at Fenway Park.
  • There has been at least one run scored in the first inning in nine of the last 10 games between the Mariners and Red Sox at Fenway Park.

Boston Red Sox Player Prop Facts

  • Mickey Gasper has hit at least one home run in three of his last four appearances with the Red Sox as favorites.
  • Patrick Sandoval has recorded six or more strikeouts in each of his last four home appearances against the Mariners.
  • Jarren Duran has recorded at least one hit in each of the Red Sox’s last 11 home games against the Mariners.
  • Ceddanne Rafaela ranks T10th in the league in Hits (150) this season.

Seattle Mariners Player Prop Facts

  • Randy Arozarena has hit a home run in five of the Mariners’ last six road games against AL East opponents that held a winning record.
  • Bryce Miller has recorded five or more strikeouts in each of his last five appearances in day games.
  • Randy Arozarena has recorded at least one hit in each of the Mariners’ last 11 road games against AL East opponents that held a winning record.

Matchup/League Facts

  • The Red Sox rank 1st in the league for doubles this season (253).
  • The Red Sox rank 3rd in the league for walks allowed this season (402).
  • The Mariners rank 30th in the league for runs scored this season (547).
  • The Mariners rank 30th in the league for hits this season (1049).

Red Sox vs Mariners Prediction 

Seattle snapped their losing streak with a win on Tuesday night and they have scored 17 runs in their last two games. The Mariners are 28-43 on the road this year, while the Red Sox are 35-33 at home. Boston has dropped three of their last four games and they have allowed 8+ runs in all four. The Red Sox are starting Sandoval, who has allowed two earned runs or fewer in four of his last five starts, while Miller has allowed 6, 5, 5, and 4 earned runs in his last four outings. Take the Red Sox here. 

David Racey's Free Pick: Red Sox ML

Need More? Get Premium Picks

David Racey

David started writing about sports in 2015, but sports has been his passion for as long as he can remember. David spends most of his free time watching pretty much anything sports related from Baseball to Tennis and everything in between. David likes to analyze statistics and recent results to form an unbiased opinion on whatever game he is breaking down. Follow David on Twitter at @itsyerboi41

Related Articles

Back to top button