Boston Red Sox at Seattle Mariners odds, picks and predictions

Analyzing Tuesday’s Boston Red Sox at Seattle Mariners odds and lines, with MLB expert picks, predictions and best bets.

The Boston Red Sox (56-50) and Seattle Mariners (55-51) play the 2nd game of a 3-game series Tuesday. First pitch from T-Mobile Park is at 9:40 p.m. ET (MLB Network). Let’s analyze BetMGM Sportsbook’s lines around the Red Sox vs. Mariners odds and make our expert MLB picks and predictions for the best bets.

Season series: tied 2-2

The Red Sox dropped the opener 6-2 Monday for their 3rd consecutive loss. Boston has been playing streaky baseball, winners of 5 in a row prior to this skid but dropping 3 in a row before that win streak. The Sox are in 4th place in the AL East, 9 games back of the Baltimore Orioles for the division lead and 2 1/2 games out of the final AL Wild Card spot.

The Mariners have won 2 games in a row and 5 out of their last 6. Seattle is in 4th place in the AL West, 5 games behind the Texas Rangers and 3 1/2 games out of the final AL Wild Card.

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Red Sox at Mariners projected starters

RHP Brayan Bello vs. RHP Bryce Miller

Bello (7-6, 3.66 ERA) makes his 18th start. He has a 1.21 WHIP, 2.4 BB/9 and 7.7 K/9 through 96 IP.

  • Last start: No-decision, 6 IP, 3 ER, 4 H, 2 BB, 4 K in 5-3 home win over Atlanta Braves Wednesday
  • The Red Sox are 3-1 in Bello’s last 4 starts and 11-6 overall when he takes the mound

Miller (7-3, 3.96 ERA) makes his 15th start. He has a 1.00 WHIP, 1.8 BB/9 and 8.5 K/9 through 75 IP.

  • Last start: Win, 5 2/3 IP, 6 ER, 8 H, 0 BB, 7 K in 8-7 road win over Minnesota Twins Wednesday
  • Allowed 3 or fewer earned runs in 6 of last 7 outings

Res Sox at Mariners odds

Provided by BetMGM Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 9:45 a.m. ET.

  • Moneyline (ML): Red Sox +100 (bet $100 to win $100) | Mariners -120 (bet $120 to win $100)
  • Run line (RL)/Against the spread (ATS): Red Sox +1.5 (-210) | Mariners -1.5 (+170)
  • Over/Under (O/U): 7.5 (O: -120 | U: +100)

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Red Sox at Mariners picks and predictions

Prediction

Mariners 4, Red Sox 3

Moneyline

The Mariners have won 5 of their last 6 games and 8 of their last 11. They are 6-3 in their last 9 home games and 3-0 in Miller’s last 3 starts.

The Red Sox are 1-5 in their last 6 road games.

BET MARINERS (-120).

Run line/Against the spread

As tempting as taking the Mariners -1.5 (+170), 4 of Boston’s last 5 losses have been by only 1 run.

Four of the Mariners’ last 7 wins have been by 1 run.

PASS.

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Over/Under

Seven of the Mariners’ last 11 games have had 7 or fewer total runs.

Three of Boston’s last 4 games have stayed below 8 total runs.

BET UNDER 7.5 (+100).

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