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

Odds updated as of 11:12 a.m.

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

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the most important information regarding this matchup.

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: (-126) | HOU: (+108)
• Spread: SEA: -1.5 (+168) | HOU: +1.5 (-205)
• Total: 8 -- Over: (-100) | Under: (-122)

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

This contest's pitching matchup is set, as the Mariners will send Logan Evans (3-3) to the mound, while Lance McCullers (2-4) will answer the bell for the Astros. Evans' team is 3-6-0 against the spread this season in his starts. Evans' team has a record of 3-2 this season when he starts and they are the favorite on the moneyline. When McCullers starts, the Astros have gone 5-5-0 against the spread. The Astros have played while the underdog on the moneyline for four of McCullers' starts this season, and they won every game.

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

• Looking at the moneyline for Astros-Mariners, Houston is the underdog at +108, and Seattle is -126 playing at home.

Mariners vs Astros Spread

• The Astros are at the Mariners, and are +1.5 on the runline. The Astros are +168 to cover the spread, and the Mariners are -205.

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 -100 and the under at -122.

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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 season Seattle has been victorious 26 times in 43 chances when named as a favorite of at least -126 on the moneyline.
• Contests with the Mariners have gone over the total set by sportsbooks in 51 of 94 chances 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 put together a 17-11 record in games they were listed as the moneyline underdog (winning 60.7% of those games).
• Houston has a 10-7 record (winning 58.8% of its games) when playing as a moneyline underdog of +108 or longer.
• The Astros have had an over/under set by oddsmakers 96 times, and have combined with opponents to go over the total in 40 of those games (40-54-2).
• The Astros have put together a 48-48-0 record ATS this season (covering 50% of the time).

Mariners Player Leaders

• Cal Raleigh has 91 hits, which is best among Seattle hitters 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 the qualified hitters in MLB, his batting average ranks 78th, his on-base percentage ranks 16th, and he is second in slugging.
• Julio Rodriguez is batting .251 with 17 doubles, three triples, 14 home runs and 30 walks, while slugging .415 with an on-base percentage of .315.
• His batting average is 96th among qualified players, his on-base percentage 109th, and his slugging percentage 91st.
• Randy Arozarena is batting .252 with a .470 slugging percentage and 49 RBI this year.
• Arozarena has picked up a hit in three games in a row. In his last five games he is hitting .333 with a double, three home runs, three walks and five RBIs.
• J.P. Crawford leads the Mariners with an OPS of .779. He has a slash line of .289/.390/.390 this season.
• Crawford takes a 15-game hitting streak into this matchup. During his last 10 games he is batting .325 with three doubles, a home run, five walks and seven RBIs.

Astros Player Leaders

• Isaac Paredes has 15 doubles, a triple, 19 home runs and 49 walks while batting .258. He's slugging .470 with an on-base percentage of .359.
• Including all the qualifying hitters in MLB, his batting average ranks 83rd, his on-base percentage is 38th, and he is 41st in slugging.
• Jose Altuve has 14 doubles, a triple, 17 home runs and 33 walks while batting .274. He's slugging .460 with an on-base percentage of .333.
• Including all qualifying hitters, his batting average puts him 50th, his on-base percentage ranks 72nd, and he is 53rd in slugging.
• Yainer Diaz has 11 doubles, a triple, 13 home runs and 14 walks while batting .243.
• 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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