Red Sox Vs Mariners: MLB Betting Lines, Stats And Predictions – September 15, 2021

Posted By PlayPicks Staff on September 15, 2021

The Boston Red Sox (82-65) visit the Seattle Mariners (78-67) at 4:10 PM ET on Wednesday, featuring two top-10 power hitters. Rafael Devers has 34 homers (sixth in league) for the Red Sox, while Kyle Seager ranks sixth with 34 home runs for the Mariners. Boston’s (-125 to win) Tanner Houck gets the start versus Seattle’s (+105) Marco Gonzales.

The betting insights and predictions in this article reflect betting data from DraftKings as of September 15, 2021, 3:00 PM ET. See table below for current betting odds and CLICK HERE to place a bet at DraftKings.

Red Sox vs Mariners Betting Lines

Red Sox Betting Insights

  • This season, the Red Sox have won 55 out of the 95 games, or 57.9%, in which they’ve been favored.
  • Boston has a record of 42-29, a 59.2% win rate, when favored by -125 or more by sportsbooks this season.
  • The implied probability of a win from the Red Sox, based on the moneyline, is 53.2%.
  • When it comes to hitting the over, the Red Sox and their opponents are 6-4 in their last 10 games with a total.

Red Sox Last 10 Games Trend

Stat Avg/Total
Record 4-6
Runs Per Game 5.3
HR 15
ERA 4.22
K/9 9.5

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Mariners Betting Insights

  • The Mariners have been victorous in 58, or 55.2%, of the 105 contests they have been chosen as underdogs in this season.
  • This season, Seattle has come away with a win 48 times in 90 chances when named as an underdog of at least +105 or worse on the moneyline.
  • The moneyline set for this matchup implies the Mariners have a 46.8% chance of coming away with a victory in the contest.
  • The Mariners and their opponents have hit the over in each of their last 10 games with a total.

Mariners Last 10 Games Trend

Stat Avg/Total
Record 5-5
Runs Per Game 5.3
HR 13
ERA 4.95
K/9 9.1

Mariners Probable Pitcher – Marco Gonzales

  • The Mariners will send Gonzales (8-5) to make his 22nd start of the season. He is 8-5 with a 4.03 ERA and 88 strikeouts in 118 1/3 innings pitched.
  • The lefty last pitched on Saturday against the Diamondbacks, when he went six innings, allowing no earned runs while giving up four hits.
  • The 29-year-old has an ERA of 4.03, with 6.7 strikeouts per nine innings in 21 games this season. Opponents are batting .248 against him.
  • Gonzales has put up 17 starts this campaign where he pitched five or more innings.
  • The Mariners are 7-6 in Gonzales’ 13 starts this season that they were the moneyline underdog.
  • Pitchers reflected above are based on projections as of September 15, 2021 at 3:50 PM ET and may not be the pitchers at game time.

Red Sox Hitting Splits

Split Record
Overall 82-65
Home 44-29
Road 38-36
vs LHP (Starters) 29-27
vs RHP (Starters) 52-38
Day Games 0-3
Night Games 82-62

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Red Sox Probable Pitcher – Tanner Houck

  • Houck (0-4) will take the mound for the Red Sox, his 12th start of the season.
  • The right-hander’s last appearance was on Saturday, when he threw 3 2/3 innings against the White Sox, giving up three earned runs while allowing four hits.
  • The 25-year-old has pitched to a 3.54 ERA this season with 10.6 strikeouts per nine innings compared to 2.4 walks per nine across 13 games.
  • Houck has started 11 games this season, and he’s lasted five or more innings four times. He averages 4.1 innings per appearance.
  • His team has a record of 4-4 this season when he starts and they are the favorite on the moneyline.
  • Pitchers reflected above are based on projections as of September 15, 2021 at 3:50 PM ET and may not be the pitchers at game time.

Mariners Hitting Splits

Split Record
Overall 78-67
Home 42-32
Road 36-35
vs LHP (Starters) 31-25
vs RHP (Starters) 47-42
Day Games 16-10
Night Games 62-57

Red Sox Hitting Stats

  • The Red Sox are seventh in MLB action with 197 home runs. They average 1.3 per game.
  • The Red Sox have hit 99 home runs on the road this season (1.3 per game).
  • Boston has 15 home runs during the past 10 games.
  • Devers is batting .275 this season with a team-high 34 home runs and 105 RBI.
  • J.D. Martinez has 147 hits and an OBP of .340 to go with a slugging percentage of .516 this season.

Mariners Hitting Stats

  • The Mariners’ 181 home runs rank 12th in Major League Baseball.
  • They have averaged 1.2 home runs per game in their 74 home contests this season.
  • Seattle has 13 homers over its last 10 games.
  • Ty France is hitting .286 with 27 doubles, a triple, 16 home runs and 36 walks.
  • J.P. Crawford has 31 doubles, eight home runs and 51 walks while batting .269.

Game Prediction

Moneyline Pick:
Red Sox (-125)

Over/Under Pick: Over (8.5)

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

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