Boston Red Sox at Seattle Mariners odds, picks and predictions

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

The Boston Red Sox (57-50) and Seattle Mariners (55-52) play the finale of a 3-game set at T-Mobile Park Wednesday. First pitch is at 4:10 p.m. ET. 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: Red Sox lead 3-2

The Red Sox snapped a 3-game losing skid with a 6-4 victory over the Mariners Tuesday night. Boston is still 13-7 over the last 20 games and sits 1 1/2 games out of an AL Wild Card spot. The Sox are 27-27 on the road and 12-9 against the AL West this year.

The Mariners have struggled to string together wins but are 6-4 and 11-9 over the last 10 and 20 games, respectively. They sit 3 1/2 games out of an AL Wild Card spot. This will be the last time these teams match up in the regular season. Seattle is 30-26 at home but just 10-13 against the AL East.

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Red Sox at Mariners projected starters

RHP Kutter Crawford vs. RHP Logan Gilbert

Crawford (5-5, 3.86 ERA) makes his 13th start and 21st appearance. He has a 1.09 WHIP, 2.1 BB/9 and 8.9 K/9 in 77 innings.

  • Last start: Win, 5 2/3 IP, 1 ER, 3 H, 1 BB, 7 K on the road against the San Francisco Giants Friday
  • 1 career start vs. Mariners: No-decision, 5 IP, 0 ER, 1 H, 4 BB, 7 K June 12, 2022

Gilbert (9-5, 3.83 ERA) makes his 22nd start. He has a 1.06 WHIP, 1.5 BB/9 and 8.7 K/9 in 124 2/3 innings.

  • Last start: Win, 6 1/3 IP, 2 ER, 9 H, 0 BB, 5 K on the road Friday against Arizona Diamondbacks
  • 2 career starts vs. Red Sox: 0-0, 3.46, 1.00 WHIP, 13 K in 13 IP

Red 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 7:32 a.m. ET.

  • Moneyline (ML): Red Sox +110 (bet $100 to win $110) | Mariners -135 (bet $135 to win $100)
  • Run line (RL)/Against the spread (ATS): Red Sox +1.5 (-190) | Mariners -1.5 (+155)
  • Over/Under (O/U): 7.5 (O: -120 | U: +100)

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Red Sox at Mariners picks and predictions

Prediction

Mariners 5, Red Sox 3

Moneyline

The M’s turn to one of their young guns in Gilbert on the hill. He has pitched pretty well in his 2 career starts against Boston and has a 2.98 ERA over his last 7 turns. Seattle has scored at least 3 runs in 10 straight games and has done so in every game against Boston this year, too. So it really boils down to Gilbert, whose name was tossed around a lot before the trade deadline, settling down and keeping the Red Sox at bay.

I like the MARINERS (-135), and I like LOGAN GILBERT OVER 17.5 OUTS (-160). He has gone 6 IP in both career starts against Boston and 5 of his last 7 outings overall.

Run line/Against the spread

Each game in this matchup has been decided by more than a run this year. Eight of the last 10 have as well. Seattle has the 2nd-best bullpen in baseball with a 3.59 ERA and Crawford has had trouble with 12 homers allowed in 77 IP this year.

I’ll toss a HALF-UNIT on MARINERS -1.5 (+155).

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Over/Under

The Over is 8-2 in the last 10 meetings between the teams. All 5 games have gone Over this number this year. This number would have cashed in 4 of Crawford’s last 5 starts and it would have cashed in Gilbert’s 2 career starts against Boston.

I’ll take the OVER 7.5 (-120), but if the number hits 8, I’ll steer clear.

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