Houston Astros vs. Seattle Mariners Betting Preview

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The Houston Astros are paying a visit to Seattle to face their AL West nemesis Mariners at Safeco Field. The matchup will begin at 4:10 p.m. ET and ATTSN Southwest will be televising the game.

Houston Astros vs. Seattle Mariners Odds

Vegas is listing Seattle (+115) as the underdog to Houston (-125). The total is sitting at 8 runs and gamblers can wager on the over or the under for -110. The games current runline odds stand at +120 for taking the Astros -1.5 runs and -140 for the Mariners +1.5.

The Mariners are 61-43 straight up (SU) and 54-52 against the spread (ATS). They’ve gained 15.6 units for bettors taking the moneyline while earning 2.0 units (ATS). Seattle has covered the spread four times in its last seven games and the total has gone under in four of those seven. The Astros, on the other hand, have gone 67-39 SU this year and are 53-55 ATS. Overall, the teams lost 8.4 units for moneyline bettors and 8.3 units ATS. Houston’s covered the spread only once in its last seven games and the under has cashed in three of those seven.

Mariners games have had an over/under record of 50-54-2 in 2018. Houston has been a decent under bet with a total record of 48-54-6.

The left-handed Dallas Keuchel is the probable starter for the visiting Astros. Keuchel is 8-9 with a 3.60 ERA and 103 strikeouts. He’s 0-2 with nine strikeouts and a 5.52 ERA against Seattle this year (two starts).

The Mariners are turning to lefty Wade LeBlanc (6-1, 3.51 ERA), who has 82 strikeouts and 22 walks as well as a WHIP of 1.14. LeBlanc is 0-0 with six strikeouts and a 7.88 ERA in one start against Houston this year.

Houston’s pitchers have allowed 3.3 runs per game and its starters own a 3.02 ERA, 1.09 WHIP and 10.36 K/9. The bullpen has an ERA of 3.27, along with a K-per-9 of 10.75.

The Astros offense has slashed .257/.334/.428 on its way to 5.0 runs scored per game this year, including 5.0 runs per game against divisional foes and 4.0 per game over the teams last five outings (1-4 SU).

Houston’s hitters have been led by second baseman Jose Altuve and third baseman Alex Bregman, who collectively have blasted 31 home runs. Altuve is hitting .329/.392/.464 with nine home runs, 46 RBIs, 64 runs and 14 stolen bases, while Bregman has a .280 average with 22 homers, 70 RBIs and 71 runs scored.

In the other dugout, Seattle’s pitching staff has given up 4.3 runs per game overall in 2018. The teams starting pitching staff has a 4.13 ERA, 1.22 WHIP and 7.8 strikeouts per nine innings. The bullpen has a 3.88 ERA, 1.21 WHIP and 9.6 K/9. In 38 games against divisional opponents, Mariners starters have an ERA of 4.28 and the bullpens ERA is 4.53.

The Seattle offense is putting up 4.2 runs per contest, including 4.2 per game against divisional foes and 4.4 per game over its last five. The team has a slash-line of .244/.305/.431 over its last five games and is 2-3 SU during that stretch.

The Mariners batters have been led by shortstop Jean Segura and outfielder Dee Gordon. Segura is hitting .317/.347/.446 with seven home runs, 49 RBIs, 68 runs and 15 stolen bases, while Gordon’s line is .290/.309/.354 with 113 hits, 22 RBIs, 47 runs and 24 stolen bases.

The Astros have lost 11.8 units and are 17-24 ATS when facing a lefty starter this season. The over has hit in 17 of those games, compared to 22 that’ve gone under against left-handed starting pitchers. On the other hand, the Mariners have lost 5.1 units and are 17-17 ATS when facing a lefty starter. The over has cashed in 12 of those games, compared to 21 that went under.

Houston Astros at Seattle Mariners MLB Tip

Predictions: SU Winner – Astros, ATS Winner – Astros, O/U – OVER

Betting Trends

  • Houston has logged 14 extra-base hits over its last five outings. Seattle has 11 XBH over its last five.
  • The Astros have lost four of their last five games SU while the Mariners have dropped three of their last four.
  • Houston has posted 18.5 Runs + Hits + Errors per game over its last 10 contests and 16.4 over its last five.
  • The Astros have hit 11 home runs in their last 10 games. The Mariners have hit nine over their last 10.