Red Sox vs. Mariners Prediction: MLB Betting Lines, Stats and Picks – May 17, 2023

Written By PlayPicks Staff on May 17, 2023

The Seattle Mariners (21-21) will look for Ty France to continue a 13-game hitting streak versus the Boston Red Sox (23-20), on Wednesday at 7:10 PM ET, at Fenway Park.

The Red Sox are a home favorite (-130) versus the Mariners (+111). The game’s over/under is set at 9.5.

The betting facts in what follows reflect odds as of May 17, 2023 at 7:18 PM ET. Ready to bet? Click here to get the best DraftKings Sportsbook deposit bonus!

Red Sox vs Mariners Betting Lines

Favorite Favorite Moneyline Underdog Moneyline Total
Red Sox -130 +111 9.5

Red Sox Betting Insights

  • The Red Sox have won nine, or 56.2%, of the 16 games they’ve played as favorites this season.
  • This season Boston has won four of its eight games when favored by at least -130 on the moneyline.
  • Sportsbooks have implied with the moneyline set for this matchup that the Red Sox have a 56.5% chance to win.
  • Boston and its opponents have gone over the total this season in 29 of 43 opportunities.
  • In 43 games with a spread this season, the Red Sox are 25-18-0 ATS.

Red Sox Last 10 Games Trend

Stat Avg/Total
Record 4-6
Runs Per Game 4.1
HR 8
ERA 5.73
K/9 8.6

Mariners Betting Insights

  • The Mariners have won in five, or 45.5%, of the 11 contests they have been named as odds-on underdogs this year.
  • This year, Seattle has won two of five games when listed as at least +111 or worse on the moneyline.
  • The moneyline set for this matchup implies the Mariners have a 47.4% chance of coming away with a victory in the contest.
  • Seattle’s games have gone over the total in 20 of its 42 opportunities.
  • The Mariners have posted a record of 21-21-0 against the spread this season.

Mariners Last 10 Games Trend

Stat Avg/Total
Record 6-4
Runs Per Game 5.0
HR 10
ERA 2.76
K/9 8.8

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Red Sox Probable Pitcher – Brayan Bello

  • Bello and his team have covered in each of his five starts with a spread this season.
  • The right-hander gave up two earned runs and allowed six hits in six innings pitched against the Atlanta Braves on Wednesday.
  • Bello has pitched five or more innings in three straight games and will look to extend that streak.
  • Bello’s team won his only start as a favorite this season.
  • Bello’s team has a 4-1 record in his starts this season.
  • Games Bello has started this season hit the over four times in five chances.

Red Sox Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Ryan Brasier 18 21 18 7.29 1 1
Richard Bleier 16 18.2 12 5.79 2 0
Josh Winckowski 15 26.1 20 2.39 6 1
Kenley Jansen 12 12.2 17 4.26 0 9
Chris Martin 11 11 8 1.64 7 0

Mariners Probable Pitcher – Marco Gonzales

  • Gonzales gets the start for the Mariners, his eighth of the season. He is 3-0 with a 4.42 ERA and 25 strikeouts in 36 2/3 innings pitched.
  • In his last time out on Friday, the lefty went six innings against the Detroit Tigers, allowing two earned runs while surrendering five hits.
  • Gonzales will look to pitch five or more innings for his third straight start. He’s averaging 5.2 frames per outing.
  • The Mariners were the underdog on the moneyline for four Gonzales starts this season — they won every game.
  • Gonzales’ team has won five of his seven starts.
  • Gonzales has had seven starts with a total this season, and the teams combined to go over the total in four of those outings.

Mariners Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Matt Brash 21 18 34 5.00 4 1
Paul Sewald 20 19.2 25 3.66 0 9
Trevor Gott 19 20 22 1.80 6 0
Gabe Speier 19 15 13 1.80 6 0
Justin Topa 17 17 16 1.06 8 1

Red Sox Hitting Trends

  • The Red Sox have put up two or more homers in 18 games this season, and are 11-7 in those contests.
  • Boston is 9-6 in games this season when it has put up five or more extra-base hits.
  • The team is 18-15 in the games this season it has strung together at least eight hits.
  • Boston has a 21-7 record in games this season when it put up at least five runs.
  • The Red Sox have drawn at least five walks in 15 games this season, and are 9-6 in those contests.

Mariners Hitting Trends

  • They are 9-3 this season when they hit two or more home runs in a game.
  • Seattle has won four of its five games with five or more extra-base hits this season.
  • They have won 17 of the 29 games in which they’ve collected eight or more hits this season.
  • In 27 games this season with five or more runs scored, it has posted a record of 22-5.
  • They have a 13-2 record this season when drawing five or more walks in a game.

Red Sox vs. Mariners Prediction

Moneyline Pick: Red Sox (-130)
Over/Under Pick: Over (9.5)

Predictions are calculated by a data-driven algorithm derived from offensive performance metrics and probable starting pitchers.

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