Mariners vs Astros Prediction, Odds, Moneyline, Spread & Over/Under for July 19

Odds updated as of 9:12 p.m.

On Saturday in MLB, the Seattle Mariners are up against the Houston Astros.

Before you do any MLB betting on this matchup at FanDuel Sportsbook, here's what you need to know.

Mariners vs Astros Game Info

• Seattle Mariners (52-45) vs. Houston Astros (56-41)
• Date: Saturday, July 19, 2025
• Time: 9:40 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: MLB Network, ROOT Sports NW, and SCHN

Mariners vs Astros Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-132) | HOU: (+112)
• Spread: SEA: -1.5 (+152) | HOU: +1.5 (-184)
• Total: 8 -- Over: (-110) | Under: (-110)

Mariners vs Astros Probable Starting Pitchers

Probable Pitchers: Logan Evans (Mariners) - 3-3, 4.65 ERA vs Lance McCullers (Astros) - 2-4, 6.48 ERA

The probable starters are Logan Evans (3-3) for the Mariners and Lance McCullers (2-4) for the Astros. Evans' team is 3-6-0 against the spread this season in his starts. Evans' team has been victorious in 60% of the games he's started as the moneyline favorite with a record of 3-2. The Astros are 5-5-0 ATS in McCullers' 10 starts with a set spread. The Astros were the moneyline underdog for four McCullers starts this season -- they won all of the games.

Mariners vs Astros Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (53.4%)

Mariners vs Astros Moneyline

• The Mariners vs Astros moneyline has Seattle as a -132 favorite, while Houston is a +112 underdog on the road.

Mariners vs Astros Spread

• The Mariners are 1.5-run home favorites on the runline against the Astros. The Mariners are +152 to cover, and the Astros are -184.

Mariners vs Astros Over/Under

• A total of 8 runs has been set for the Mariners-Astros contest on July 19, with the over available at -110 and the under at -110.

Bet on Seattle Mariners vs. Houston Astros on FanDuel today!

Mariners vs Astros Betting Trends

• The Mariners have been chosen as favorites in 60 games this year and have walked away with the win 34 times (56.7%) in those games.
• This year Seattle has won 22 of 39 games when listed as at least -132 on the moneyline.
• The Mariners and their opponents have hit the over in 51 of their 94 games with a total set by oddsmakers this season.
• The Mariners are 42-52-0 against the spread in their 94 games with a line set by sportsbooks this season.
• The Astros have won 17 of the 28 games they were listed as the moneyline underdog this season (60.7%).
• Houston is 9-5 (winning 64.3% of its games) when it has played as a moneyline underdog of +112 or longer.
• The Astros have had an over/under set by bookmakers 96 times, and have combined with opponents to go over the total in 40 of those games (40-54-2).
• The Astros have collected a 48-48-0 record against the spread this season (covering 50% of the time).

Mariners Player Leaders

• Cal Raleigh leads Seattle in total hits (91) this season while batting .259 with 54 extra-base hits. He has an on-base percentage of .375 and a slugging percentage of .630.
• Among qualified hitters in MLB, he ranks 78th in batting average, 17th in on-base percentage, and second in slugging.
• Julio Rodriguez has 17 doubles, three triples, 14 home runs and 30 walks. He's batting .251 and slugging .415 with an on-base percentage of .315.
• Among all qualifying players, he is 97th in batting average, 109th in on-base percentage and 91st in slugging percentage.
• Randy Arozarena is batting .252 with a .470 slugging percentage and 49 RBI this year.
• Arozarena takes a three-game hitting streak into this matchup. In his last five games he is hitting .333 with a double, three home runs, three walks and five RBIs.
• J.P. Crawford has a slash line of .289/.390/.390 this season and a team-best OPS of .779.
• Crawford heads into this game on a 15-game hitting streak. In his last 10 outings he is batting .325 with three doubles, a home run, five walks and seven RBIs.

Astros Player Leaders

• Isaac Paredes is batting .258 with 15 doubles, a triple, 19 home runs and 49 walks. He's slugging .470 with an on-base percentage of .359.
• Including all the qualifying hitters in MLB, his batting average is 84th, his on-base percentage ranks 37th, and he is 41st in slugging.
• Jose Altuve is batting .274 with 14 doubles, a triple, 17 home runs and 33 walks. He's slugging .460 with an on-base percentage of .333.
• Including all qualifying hitters, he ranks 50th in batting average, 72nd in on-base percentage and 52nd in slugging percentage.
• Yainer Diaz is batting .243 with 11 doubles, a triple, 13 home runs and 14 walks.
• Cam Smith is hitting .274 with 16 doubles, two triples, seven home runs and 27 walks.

Mariners vs Astros Head to Head

• 7/18/2025: 6-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 5/25/2025: 5-3 HOU (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 5/24/2025: 2-1 HOU (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 5/23/2025: 5-3 SEA (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 5/22/2025: 9-2 HOU (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 4/9/2025: 7-6 SEA (Favorite: Astros, Spread: -1.5, Total: 7.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 4/8/2025: 2-1 HOU (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 4/7/2025: 4-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -158, Underdog Moneyline: +134)
• 9/25/2024: 8-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 9/24/2024: 4-3 HOU (Favorite: Astros, Spread: -1.5, Total: 7, Favorite Moneyline: -130, Underdog Moneyline: +110)

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