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Red Sox vs Mariners Prediction and Betting Odds May 20

Fenway Park in Boston

Red Sox vs Mariners Betting Preview and Odds

Seattle and Boston both sit fourth in their respective divisions as they meet for the second game of their series. WagerTalk MLB handicapper Andy Lang offers his Boston Red Sox vs Seattle Mariners betting preview for Friday, May 20, with the first pitch scheduled for 7:10pm ET / 4:10pm PT.

Stay on top of the latest MLB news and betting notes from Vegas!

Friday, May 20 MLB Betting Notes, Courtesy of Caesars
Moneyline: Boston Red Sox -115 vs Seattle Mariners +105
Runline: Red Sox +1.5 (+180) / Mariners -1.5 (-210)
Total: 9 Runs (Over -110 / Under -110)
Game Time: 7:10pm ET / 4:10pm PT
Where: Fenway Park in Boston, MA
Weather: 65 Degrees / Slight Chance of Rain / T’Storms

Red Sox vs Mariners Analysis

The Seattle Mariners and Boston Red Sox will meet at Fenway Park on Friday night for the second game of a four game series.

The Red Sox doubled up the Mariners 12-6 to take a 1-0 lead in their current series. They were led by Trevor Story in a career highlight game where he hit three home runs.

The Mariners will turn to last seasons Cy Young award winner Robbie Ray to even the series. He will be opposed by veteran righty Michael Wacha. First pitch is scheduled for 7:10 PM EST/ 4:10 PST.

Sox Hitting Stride?

After a horrible start, the Boston Red Sox may be coming to life as they have prevailed in 6 of their last 9 games. Last night the thumped the Seattle Mariners 12-6.

Trevor Story had an epic night, going 4 for 4 with 3 homeruns and 7 RBI. J.D. Martinez also went 4 for 5 with three runs scored. Starter Rich Hill only lasted two innings and allowed four earned runs on six hits.

Boston needs to keep improving offensively as they currently rank only 22nd in runs scored and 14th in batting average. Tonight they will get starter Michael Wacha back from the IL after missing a few weeks with an arm injury. Prior to the injury, Wacha was lights out with a 3-0 record, 1.38 ERA and 0.92 WHIP.

Seattle Scoring Struggles

After last night’s 12-6 loss the Seattle Mariners record dropped to 17-22 on the season. They have now lost 12 of their last 17 games. Last night, rookie starter George Kirby gave up five runs on eight hits in only five innings of work.

Once he was chased from the game, the bullpen imploded and gave up 7 more runs in the remaining four innings. Julio Rodriguez went 3 for 5 with a solo homerun in 9th inning.

Seattle has been struggling to score runs, set last night’s six aside as few of those runs were scored after the game was out of hand. In their last series against Toronto they only score 7 runs while getting shutout once. On the season, they rank only 20th in runs scored and 18th in batting average.

Last seasons American League Cy Young award winner Robbie Ray gets the nod for the Mariners. Ray hasn’t been quite as sharp this season, with 4-3 record with a 4.62 ERA across his eight starts. Rays last start was his worst of the season as he gave up five runs on five hits in a six inning no-decision.

Red Sox vs Mariners Prediction

The Boston Red Sox are favored slightly with a -120 money line, while the Toronto Blue Jays are set at +100 with a total of 9. The Red Sox are coming into this game hot while the Mariners have been struggling.

There could be light at the end of the tunnel for Boston, after this series they play the Chicago White Sox followed by 10 games against either Baltimore, Oakland or Cincinnati.

We mentioned how Seattle lost 15 of their last 21 but they have been even worse on the road, losing 10 of the last 14 away from home. Ray has struggled recently and there are plenty of Red Sox hitters with great success against him in the past.

While their record doesn’t indicate it, I still feel like Boston is the superior team For this price I will make a small play on the Red Sox money line at home.

Prediction: Boston Red Sox Moneyline -120

Caesars Sports Book Logo

Interested in placing a bet on Friday’s Red Sox vs Mariners American League clash? Caesars Sports is offering up to a $1,500 match bet for first-time deposits in New Jersey, West Virginia, Colorado, Indiana, Iowa, Michigan, Virginia, Tennessee, Arizona, New York and Louisiana.

First Pitch | MLB Betting Preview for May 20

Join Drew Martin and a rotating panel of guests for First Pitch as we break down the daily baseball slate from a betting perspective. Eight different divisional series’ kick off or continue today as races remain tight in the first half of the season. Join WagerTalk’s team of MLB betting experts every weekday at 1:45pm ET / 10:45am PT for First Pitch as we discuss the baseball betting slate.

MLB Picks, Predictions and Odds |  First Pitch Daily Baseball Betting Preview | May 20

WagerTalk Live Odds Screen

WagerTalkโ€™s Live Odds Screen features up-to-the-minute lines from a variety of offshore and domestic sports books. Track the MLB moneylines, run lines and betting percentages for all of Friday’s baseball games, including this Red Sox vs Mariners showdown, from your desktop or phone.

MLB Odds May 20

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Meet the Author

Andy Lang has lived in Indianapolis his whole life, and like most people from the Hoosier State, he became fascinated with motor sports. That interest in motor sports turned into a desire to make money off the sport through fantasy contests and sports betting. Like most, he took his lumps when he first got started, but now he is one of the most respected NASCAR bettors in the industry. Andy has expanded that sports betting experience to become profitable in a number of other sports, transforming this interest from a side hobby to a major source of income.

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