Boston Red Sox vs. Seattle Mariners: Best Odds and Preview for September 13, 2021


By BestOdds Analyst | September 12, 2021, 7:49 pm

The Seattle Mariners (77-66) will look to Jarred Kelenic, who is currently on a two-game home run streak, when they square off against the Boston Red Sox (81-64). The Red Sox are favored (-126) in this contest with the Mariners (+109), which starts at 10:10 PM ET on Monday at T-Mobile Park.

Boston’s Eduardo Rodriguez gets the start against Seattle’s Logan Gilbert.

Best Odds for Boston Red Sox vs Seattle Mariners

Welcome to the BestOdds betting breakdown where we use data from our industry leading partner, Sportradar, to identify performance trends in order to analyze teams’ chances to win the upcoming game.

Today, we are looking at the MLB matchup between the Boston Red Sox and Seattle Mariners.

Red Sox Insights

Betting Trends

  • The Red Sox have won in 53, or 58.2%, of the 91 contests they have been named as odds-on favorites in this year.
  • Contests with Boston have gone over the total set by sportsbooks in 65 of 145 chances this season.
  • The Red Sox are among the highest scoring teams in the league, ranking fourth with 731 total runs this season.
  • Boston has been favored in six of its past 10 games and won three of those matchups.
  • In their last 10 matchups with a total posted by sportsbooks, the Red Sox and their foes are 5-5 when it comes to hitting the over.

Probable Starting Pitcher Stats

  • Rodriguez gets the start for the Red Sox, his 28th of the season. He is 11-8 with a 5.15 ERA and 159 strikeouts in 136 1/3 innings pitched.
  • In his last outing on Tuesday against the Rays, the lefty threw 3 2/3 innings, giving up six earned runs while surrendering eight hits.
  • Rodríguez’s team is 17-10 in his 27 starts.
  • Rodríguez has had 27 starts with a set total this season, and the teams combined hit the over in 13 of those matchups.

Key Players

Name GP BA OBP SLG HR RBI H
BestOdds rating 9.4
Risk Free Bet Up To $5,000
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Mariners Insights

Betting Trends

  • The Mariners are 57-47 in games they were listed as the moneyline underdog (winning 54.8% of those games).
  • Seattle has combined with opponents to go over the total 72 times this season for a 72-65-6 record against the over/under.
  • The Mariners are the 22nd-highest scoring team in baseball averaging 4.3 runs per game (608 total).
  • Seattle has a 2-2 record over the four games it was moneyline underdogs in its last 10 matchups.
  • Over their last 10 outings (all 10 of them had set totals), the Mariners and their opponents combined to go over the run total nine times.

Probable Starting Pitcher Stats

  • The Mariners are sending Gilbert (5-5) to make his 21st start of the season. He is 5-5 with a 5.10 ERA and 106 strikeouts over 95 1/3 innings pitched.
  • In his most recent appearance on Wednesday, the righty went 4 1/3 innings against the Astros, allowing two earned runs while surrendering six hits.
  • Gilbert’s team has put together a 12-8 record in his 20 starts.
  • Gilbert’s starts with a set total this season have gone over the run total in 13 of 20 contests.

Key Players

Name GP BA OBP SLG HR RBI H
Abraham Toro 42 .300 .376 .438 4 23 48
Ty France 133 .287 .359 .440 16 61 144
Mitch Haniger 137 .249 .314 .470 32 79 135
Kyle Seager 141 .209 .286 .446 34 94 111
Luis Torrens 89 .231 .295 .431 14 40 67

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