The Seattle Mariners (43-43) and Houston Astros (49-39) play the 2nd game of a 4-game set Friday at Minute Maid Park. First pitch is scheduled for 8:10 p.m. ET. Let’s analyze BetMGM Sportsbook’s lines around the Mariners vs. Astros odds and make our expert MLB picks and predictions for the best bets.
Season series: Mariners lead 3-1
The Mariners won 5-1 as -138 favorites in the series opener on Thursday. Seattle has won 5 of its last 6 games and is 4th in the AL West, 7 games behind the division-leading Texas Rangers.
The Astros have won 7 of their last 9 games and 6 of those wins were by multiple runs. Houston is 2 games back of the Rangers for the lead in the division.
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Mariners at Astros projected starters
RHP Luis Castillo vs. RHP Hunter Brown
Castillo (5-6, 3.05 ERA) makes his 18th start. He has a 1.07 WHIP, 2.5 BB/9 and 10.2 K/9 in 100 1/3 innings.
- Last outing: No-decision, 6 IP, 6 R (4 ER), 7 H, 0 BB, 6 K in a 7-6 home win vs. Tampa Bay Rays Sunday
- Has allowed more than 3 ER in just 1 of his last 8 starts
- Career vs. Astros: 1-0, 4.15 ERA (13 IP, 6 ER), 7 H, 1 HR, 7 BB, 12 K in 2 starts
Brown (6-5, 3.76 ERA) makes his 17th start. He has a 1.25 WHIP, 3.0 BB/9 and 10.2 K/9 in 91 innings.
- Last outing: Loss, 4 IP, 3 ER, 10 H, 0 BB, 6 K in 5-2 loss at Rangers Saturday
- Has allowed more than 3 ER in just 1 of his last 5 starts
- First career start vs. Mariners
Mariners at Astros odds
Provided by BetMGM Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 12:05 p.m. ET.
- Moneyline (ML): Mariners -110 (bet $110 to win $100) | Astros -110 (bet $110 to win $100)
- Run line (RL)/Against the spread (ATS): Mariners -1.5 (+155) | Astros +1.5 (-190)
- Over/Under (O/U): 7.5 (O: +100 | U: -120)
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Mariners at Astros picks and predictions
Prediction
Astros 5, Mariners 4
Moneyline
Houston is 4-1 in its last 5 home games and should bounce back after a bad loss in the series opener.
Seattle is just 3-8 in its last 11 games after allowing 2 or fewer runs in its previous contest, and Castillo had 1 of his worst starts of the season last time out.
BET ASTROS (-110).
Run line/Against the spread
Houston +1.5 (-190) should hit, but there’s no need to pay the higher price on the run line when the Astros should win straight up. Bet the ML and/or the total instead.
PASS.
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Over/Under
The Over is 6-2 in Houston’s last 8 games after a loss and 6-2 in its last 8 at home vs. right-handed starters.
The Over has hit in 4 of Seattle’s last 5 games vs. AL West teams and should cash again Friday, especially if Castillo has another below-average performance.
BET OVER 7.5 (+100).
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