In this article, we will formulate a Mariners vs Astros Prediction for this MLB matchup on Sunday, August 16th in the third game of this series. Let’s take a look at the prediction for this MLB matchup.
Houston Astros Preview
The Houston Astros have a 63-61 record this season and are sitting in 1st place in the AL West. They have a 31-30 home record and are coming off a 5-10 home loss against the Mariners. They will face the Angels and the Athletics next.
The Houston Astros have a .244 batting average this season, a .319 OBP, and a .413 slugging percentage. The Astros’ pitching staff has a 4.60 ERA and a 1.36 WHIP. Yordan Alvarez leads the Astros with a .321 batting average, while leading the team in RBI with 88 and adding a team-high 36 home runs.
Hunter Brown (R) is the projected starting pitcher for the Astros, and he has a 3-2 record, a 3.68 ERA, and a 1.27 WHIP.
Seattle Mariners Preview
The Seattle Mariners have a 58-66 record this season and are sitting in 3rd place in the AL West. They have a 25-37 away record and are coming off a 10-5 away win against the Astros. They will face the Brewers and the Cubs next.
The Seattle Mariners have a .230 batting average this season, a .309 OBP, and a .377 slugging percentage. The Mariners’ pitching staff has a 3.86 ERA and a 1.21 WHIP. Randy Arozarena leads the Mariners with a .275 batting average, while Cole Young leads the team in RBI with 56 and Julio Rodriguez adds a team-high 19 home runs.
Bryan Woo (R) is the projected starting pitcher for the Mariners, and he has an 8-8 record, a 4.15 ERA, and a 1.10 WHIP.
Seattle Mariners @ Houston Astros Betting Trends: August 16, 2026
- Probable Starting Pitcher: Hunter Brown Record this season: 3-2 ERA: 3.68
- Home Record: 2-1
- Last 5 against Mariners: 1-2
Why the Houston Astros will win
- The Mariners have lost each of their last eight games following a road win.
- The Astros have won nine of their last 10 night games following a home loss.
- The Mariners have failed to cover the run line in each of their last nine games following a road win.
- The Astros have covered the run line in seven of their last eight night games at Daikin Park following a home loss.
- The Astros have led after 5 innings in six of their last seven night games at Daikin Park against AL West opponents.
- The Mariners have lost the first inning in five of their last six games against AL West opponents.
- The Astros have led after 3 innings in four of their last five games against AL West opponents.
- Probable Starting Pitcher: Bryan Woo Record this season: 8-8 ERA: 4.15
- Road Record: 1-8
- Last 5 against Astros: 3-2
Why the Seattle Mariners will win
- The Mariners have won 16 of their last 20 games as underdogs against AL West opponents.
- The Astros have lost four of their last five games as home favorites against the Mariners following a loss.
- The Astros have failed to cover the run line in each of their last 11 Sunday night home games.
- The Mariners have covered the run line in 18 of their last 20 games as underdogs against AL West opponents.
- The Mariners have won the first inning in three of their last four games against the Astros.
- The Mariners have led after 3 innings in each of their last seven Sunday games against the Astros.
- The Mariners have led after 5 innings in nine of their last 10 games at Daikin Park.
Total Runs Facts
- Each of the Mariners’ last seven road games against AL West opponents have gone OVER the total runs line.
- Each of the Astros’ last six games against AL West opponents have gone OVER the total runs line.
- There has been at least one run scored in the first inning in each of the Mariners’ last seven road games against AL West opponents.
- There has been no run scored during the first inning in each of Hunter Brown’s last five appearances as a starter.
Houston Astros Player Prop Facts
- Yainer Diaz has hit a home run in three of his last four appearances with the Astros as favorites against AL West opponents.
- Hunter Brown has recorded seven or more strikeouts in three of his last four appearances against the Mariners.
- Jose Altuve has recorded two or more hits in each of the Astros’ last eight games against AL opponents that held a losing record.
- Yordan Alvarez ranks 1st amongst qualified players for Batting Average (.321) this season.
Seattle Mariners Player Prop Facts
- Randy Arozarena has hit a home run in four of the Mariners’ last seven road games against AL opponents.
- Bryan Woo has recorded a win in three of his last four appearances against AL West opponents.
- Josh Naylor has recorded at least one hit in each of his last 13 appearances with the Mariners as road underdogs.
Matchup/League Facts
- The Astros rank 29th in the league for steals this season (40).
- The Astros rank 29th in the league for walks allowed this season (510).
- The Mariners rank 30th in the league for runs scored this season (486).
- The Mariners rank 30th in the league for doubles this season (149).
Mariners vs Astros Prediction
The Mariners are 8-2 in their last 10 meetings against the Astros and are 4-2 in their last 6 visits in Houston.
In this Mariners vs Astros Prediction, the Astros are coming as -135 home favorites. Both games in this series have been extremely high-scoring ones, with 15 and 17 total runs. Both pitchers have good numbers but their home/away splits have been terrible, with Woo having a 6.22 road ERA and Brown a 4.17 home ERA. The Mariners’ bullpen has been atrocious lately and both offenses have been on fire, scoring 12.4 runs per game combined against right-handed pitching in their last 5 games. Take the over 7.5 in this one.