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Red Sox vs Phillies Prediction 5/13/26 MLB Picks Today

Philadelphia Phillies (20-22) vs. Boston Red Sox (17-24)
May 13, 2026 6:45 pm EDT
The Line: Boston Red Sox -131 / Philadelphia Phillies 109; Over/Under: 9
(Get latest betting odds)

In this article we will formulate a Red Sox vs Phillies prediction for this MLB game on Wednesday, May 13th 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 17-24 this year after they lost game one by a score of 2-1 on Tuesday night. Boston cut the deficit to 2-1 in the seventh inning, but couldn’t find anymore offense in the loss. The Red Sox recorded seven hits in the game and they were led by Rafaela, who went 1-4 with one RBI. Bello allowed four hits and one earned run over 6.1 innings, while Moran picked up the loss as the opener. Prior to this series, Boston lost two out of three against the Rays, but did win all three against the Tigers before that. 

This season, Boston has a 3.95 ERA with a 1.28 WHIP and a .243 opponent batting average, while they have scored 157 runs with a .235 batting average and a .313 on base percentage. Willson Contreras has led the Red Sox with eight home runs and 23 RBIs, while Jarren Duran has added four home runs and 18 RBIs. The projected starting pitcher for Boston is Sonny Gray, who is 3-1 with a 3.54 ERA and a 1.29 WHIP over 28.0 innings pitched this year. 

Philadelphia Phillies Betting Preview

The Philadelphia Phillies are 20-22 this season after they won game one by a score of 2-1 last night. Philadelphia scored once in the first inning and once in the second, which was enough to get the low scoring win. The Phillies recorded five hits and they committed one error in the game, while they were led by Schwarber, who went 1-3 with one home run and one RBI. Wheeler allowed six hits and one earned run over 7.1 innings for the win, while Duran picked up the save. Prior to this series, Philadelphia won two out of three against the Rockies and two out of three against the Athletics. 

This season, Philadelphia has a 4.46 ERA with a 1.40 WHIP and a .269 opponent batting average, while they have scored 172 runs with a .235 batting average and a .301 on base percentage. Kyle Schwarber has led the Phillies with 17 home runs and 28 RBIs, while Bryce Harper has added 10 home runs and 24 RBIs. The projected starting pitcher for Philadelphia is Andrew Painter, who is 1-4 with a 6.89 ERA and a 1.71 WHIP over 32.2 innings pitched this season. 

Why the Boston Red Sox will win

  • The Red Sox have won 18 of their last 21 night games against NL East opponents that held a losing record.
  • The Phillies have lost four of their last five road games following a road win.
  • The Phillies have failed to cover the run line in seven of their last eight road games following a win.
  • The Red Sox have covered the run line in five of their last six games against the Phillies.
  • The Phillies have trailed after 3 innings in each of their last three games as underdogs against American League opponents.
  • The Phillies have lost the first inning in three of their last four games as road underdogs against AL East opponents.
  • The Red Sox have led after 5 innings in six of their last seven games as favorites against NL East opponents.

Why the Philadelphia Phillies will win

  • The Phillies have won each of their last 10 night games against AL East opponents that held a losing record.
  • The Red Sox have lost four of their last five games as home favorites.
  • The Phillies have covered the run line in each of their last seven games as underdogs against American League opponents.
  • The Red Sox have failed to cover the run line in six of their last seven home games after playing the previous day.
  • The Phillies have won the first inning in each of their last three games against the Red Sox.
  • The Phillies have led after 5 innings in each of their last five road night games.
  • The Red Sox have trailed after 3 innings in each of their last four night games against NL East opponents.

Total Runs Facts

  • Eight of the Red Sox’s last nine night games against NL East opponents have gone UNDER the total runs line.
  • Seven of the Phillies’ last eight night games after playing the previous day have gone OVER the total runs line.
  • The ‘Inning 1 UNDER 0.5 runs’ market has hit in each of the Red Sox’s last six games as home favorites against National League opponents.
  • The ‘Inning 1 OVER 0.5 runs’ market has hit in seven of the Phillies’ last eight night games at Fenway Park.

Boston Red Sox Player Prop Facts

  • Trevor Story has hit a home run in three of his last four appearances with his team as a favorite against the Phillies.
  • Sonny Gray has recorded five or more strikeouts in each of his last six home appearances against NL East opponents.
  • Sonny Gray has recorded a win in each of his last four home appearances against NL opponents.
  • Triston Casas has recorded at least one hit in each of his last 11 appearances against NL opponents that held a losing record.

Philadelphia Phillies Player Prop Facts

  • Kyle Schwarber has hit at least one home run in each of the Phillies’ last five games.
  • Brandon Marsh has recorded at least one hit in each of his last 14 appearances in night games.

Red Sox vs Phillies Prediction 

Philadelphia was able to win game one on Tuesday night and they have won three games in a row. The Phillies are 8-10 on the road this year, while the Red Sox are 7-13 at home. Boston has lost three of their last four games and they have scored a total of four runs in their last three. The Red Sox are starting Gray, who has allowed two earned runs or fewer in four of his last five starts, while Painter has allowed 16 earned runs and 23 hits over his last 14.1 innings. Take the Red Sox to win at home here. 

David Racey's Free Pick: Red Sox ML

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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

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