Mariners vs. Astros Prediction, Odds, Picks - April 9

Data Skrive

The Seattle Mariners and Houston Astros will meet on Wednesday at T-Mobile Park, at 4:10 p.m. ET. Luis Castillo will start for Seattle, trying to shut down Yordan Alvarez and company. The Astros are +108 moneyline underdogs in this matchup against the favorite Mariners (-128). Seattle (-1.5) is favored on the run line. A 7-run total has been set in this game.

Here’s everything you need to know from a betting perspective on the Mariners-Astros game, regarding the run line, moneyline and total, plus expert picks.

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Check out the best moments between the Houston Astros and the Seattle Mariners.

Mariners vs. Astros Game Information & Odds

When: Wednesday, April 9, 2025 at 4:10 p.m. ET
Where: T-Mobile Park in Seattle, Washington
How to watch on TV: ROOT Sports NW and SCHN

Favorite Favorite Moneyline Underdog Moneyline Total Over Total Odds Under Total Odds Run Line Favorite Run Line Odds Underdog Run Line Odds Mariners -128 +108 7 -104 -116 -1.5 +176 -212

Mariners vs. Astros Prediction

Score Prediction: Mariners 8, Astros 7
Total Prediction: Over 7 runs
Win Probabilities: Mariners 52%, Astros 48%

Mariners vs. Astros Betting Insights

The Mariners have been favorites in seven games this season and won three (42.9%) of those contests.
Seattle has a record of 3-3 in games when oddsmakers favor them by at least -128 on the moneyline.
Oddsmakers have implied with the moneyline set for this matchup that the Mariners have a 56.1% chance to win.
The Astros have been underdogs in five games this season and have come away with the win two times (40%) in those contests.
Houston has a mark of 1-3 in contests where oddsmakers favor it by +108 or worse on the moneyline.
The Astros have an implied victory probability of 48.1% according to the moneyline set for this matchup.

Mariners Player Insights

Jorge Polanco is the Mariners RBI leader this season, driving in 10 runs to go with his two home runs and .417 batting average.
Polanco brings a hitting streak of six games into this game. During his last six outings he is hitting .417 with two home runs, a walk and 10 RBI.
Julio Rodriguez has hit three home runs to lead his team.
Rodriguez ranks 22nd in homers and 83rd in RBI on the season.
Dylan Moore is batting .381 with two home runs and four walks.
Moore is on a five-game hitting streak entering this contest. During his last five outings he is batting .429 with two home runs, three walks and two RBI.
Cal Raleigh is hitting .205 with a double, two home runs and seven walks.

Astros Player Insights

Jose Altuve leads the Astros with three homers while recording a team-best batting average of .357.
Among all hitters in the big leagues, Altuve’s home run total ranks 22nd and his RBI tally is 83rd.
Altuve carries a three-game hitting streak into this matchup. During his last five outings he is hitting .333 with two home runs, a walk and four RBI.
Jeremy Pena has two home runs and two walks while batting .143.
Pena is 46th overall in home runs and 217th in RBI this season.
Alvarez has driven in a team-high seven runs batted in.
Isaac Paredes has a double and five walks while batting .216.

Check out the best moments between the Houston Astros and the Seattle Mariners.

FOX Sports created this story using technology provided by Data Skrive and data from Sportradar.

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