Houston Astros vs Seattle Mariners MLB Betting Prediction

MLB Houston Astros vs Seattle Mariners Prediction 7/21/2024

The Houston Astros (52-46) travel to face off against the Seattle Mariners (52-48) on Sunday, July 21st. This game will be played at T-Mobile Park in Seattle and televised on None. The Astros are coming off a win in their previous game, while the Mariners are looking to get back on track from a loss to the Astros. First pitch is set for 3:10 CT.

Astros vs. Mariners Betting Prediction

  • Money Line Prediction: Astros (-107)
  • Over/Under Prediction: Over 7 Runs
  • Astros have won 10 out of their last 15 games.
  • Astros have scored an average of 5.6 runs per game in their last 15 games.
  • Astros have a 6-4 record in their last 10 road games.
  • Astros have won their last 2 games against the Mariners, scoring 7 runs and allowing only 2 runs.
  • Astros have a better overall record (52-46) compared to the Mariners (52-48).

Astros vs Mariners

houston astros nba

It was a low-scoring game in the most recent game of this Astros vs Mariners series. Houston went into the matchup as +111 underdogs and squeaked out a 4-2 win. The Astros offense only had two more hits than the Mariners and struck out 11 times.

Seattle wasted a good outing from George Kirby, as he gave up just one run in six innings of work for the Mariners. Ryne Stanek took the loss. Tayler Scott got the win out of the bullpen for the Astros as Framber Valdez went 5 2/3 innings, giving up two earned runs.

Offensively, the Astros were led by Yainer Diaz and Jake Meyers, as they were the only two Houston hitters to have more than one hit. Diaz and Meyers each homered for the Astros. Julio Rodriguez hit the game’s only other home run for the Mariners.

Currently, the Astros are on a two-game winning streak and lead the AL West by one game over the Mariners. They have a 52-46 overall record and are 18-14 in AL West matchups.

On the run line, the Astros have a 26-23 record in road games, and they have covered the run line in more than half of their road games despite having a -0.1 run differential per game on the road. The under has hit in four straight Astros games, and the O/U line for today’s game is set at 7 runs, which is lower than their season average of 8.9 runs per game.

Ronel Blanco Gets The Start For The Astros

Ronel Blanco gets the start for the Astros today as he faces the Mariners on the road. So far this season, Blanco has made 18 starts and has a record of 9-4. His ERA for the season is an impressive 2.56, along with a WHIP of .97. Blanco has turned in 11 quality starts this year, along with one complete game shutout. In his most recent outing, Blanco took the loss, giving up two earned runs in six innings of work. Before that, he had won two straight starts. Blanco’s ERA at home is 2.84, compared to 2.51 on the road.

Astros Offense Breakdown

Over the past six games, Yainer Diaz has gone 7/24 with one home run and four RBIs, and he is currently on a five-game hitting streak. For the season, he is batting .287, and his eight home runs are 5th on the team. Kyle Tucker and Yordan Alvarez are tied for the team lead with 19 homers, which is 8th best in the league. Alvarez’s 52 RBIs are the best mark on the team, and he is batting .293.

As a team, the Astros are the top hitting team in the league, with a team batting average of .261. They are also 3rd in the league in home runs and have the best slugging percentage in the league. Overall, they are averaging 4.7 runs per game, and at home, that number jumps up to 5.1 runs per contest.

Seattle has been struggling lately, dropping five straight games and falling to second place in the AL West, one game behind the Astros. Their overall series record this season is 13-15-2. As the underdog, they are 19-19 straight up and 21-17 against the run line, while as the favorite, they are 33-29 straight up and 23-39 against the run line.

For the season, the Mariners have an over/under record of 41-54, with the average total runs per game being 7.5. The under has hit in four consecutive games for Seattle. On the road, the Mariners have a losing record both straight up and against the run line, and their overall run line record is 45-67.

Bryan Woo Gets The Start For The Mariners

Seattle is sending right-hander Bryan Woo to the mound today vs. the Astros. He has made nine starts this season and has a record of 3-1 with a 2.46 ERA. Woo’s WHIP for the season is currently .89. In his last outing, he finished with a no-decision, going 3 1/3 innings and giving up four earned runs, nine hits, and two homers. Before that, he had gone three straight starts without giving up a homer. Woo has made four quality starts this season. Per nine innings, he is averaging 5.93 strikeouts and just 1.02 walks.

Mariners Offense Breakdown

seattle mariners

Julio Rodriguez has been swinging a hot bat of late for the Mariners, going 10/25 in his last seven games, with two homers and five RBIs. Overall, he is batting .265 with 11 homers, which is 3rd on the team. Cal Raleigh is just batting .212 for the season, but he has 20 homers and has gone deep three times in his last seven games.

As a team, the Mariners are batting just .217, which is the worst mark in the league. Overall, they are averaging 3.8 runs per game, which is 28th in the MLB. Seattle is also near the bottom of the league in strikeouts and OPS. Currently, they are 12th in home runs, but have been one of the worst home run hitting teams in the league.

Astros vs Mariners Prediction

Our predicted final score for this Astros vs. Mariners matchup is 5-4 in favor of the Astros. With the Astros at -107 on the money line, we see this as a great value pick and have them winning this one straight up.

Looking at the starting pitchers, Bryan Woo is projected to finish with five strikeouts, while Ronel Blanco is projected to finish with five as well. However, we have Woo finishing with a better ERA and Blanco with a better WHIP.

Offensively, the Astros are predicted to finish with nine hits compared to the Mariners with eight. However, the Mariners are predicted to finish with more strikeouts, with the Mariners finishing with eight and the Astros with seven.

Another reason we like the Astros on the money line is that they have a higher predicted home run total than the Mariners.


All odds are courtesy of Action247 Sportsbook. Good luck!!


* All odds are provided by Action247 Sportsbook and all odds subject to change.**All views expressed are my own. My picks are my own and are not a guarantee, bet at your own risk.Action247 does not warrant the accuracy of completeness of the information, text, graphics, links or other items contained within these post.