Astros vs Mariners Prediction, Odds, Moneyline, Spread & Over/Under for August 20

Odds updated as of 11:26 AM
The MLB schedule on Sunday includes the Houston Astros taking on the Seattle Mariners.
Here's everything you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.
Astros vs Mariners Game Info
- Houston Astros (70-54) vs. Seattle Mariners (68-55)
- Date: Sunday, August 20, 2023
- Time: 1:05 PM ET
- Venue: Minute Maid Park -- Houston, Texas
- Coverage: Peacock
Astros vs Mariners Odds & Moneyline
- All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
- Moneyline: HOU: (-190) | SEA: (+160)
- Spread: HOU: -1.5 (+112) | SEA: +1.5 (-134)
- Total: 9 -- Over: (-106) | Under: (-114)
Astros vs Mariners Probable Starting Pitchers
Probable Pitchers: Hunter Brown (Astros) - 9-8, 4.24 ERA vs Emerson Hancock (Mariners) - 0-0, 5.40 ERA
The Astros will give the nod to Hunter Brown (9-8, 4.24 ERA), who is eyeing win No. 10 on the season, and the Mariners will counter with Hancock. When Brown starts, his team is 9-13-0 against the spread this season. Brown's team has won 52.9% of his starts when they are favored on the moneyline (9-8). Hancock has started two games with set spreads, and the Mariners covered in both chances. The Mariners were named the moneyline underdog for one Hancock start this season -- they won.
Astros vs Mariners Prediction & Pick
All MLB win probability predictions and picks are according to numberFire.
Prediction: Astros win (57.1%)
Astros vs Mariners Moneyline
- Looking at the moneyline for Mariners-Astros, Seattle is the underdog at +160, and Houston is -190 playing at home.
Astros vs Mariners Spread
- The Astros are hosting the Mariners and are favored by 1.5 runs on the spread. The Astros are +112 to cover the runline, with the Mariners being -134.
Astros vs Mariners Over/Under
- Astros versus Mariners, on August 20, has an over/under of 9, with the over being -106 and the under -114.
Bet on Houston Astros vs. Seattle Mariners on FanDuel today!
Astros vs Mariners Betting Trends
- The Astros have won in 48, or 57.8%, of the 83 contests they have been named as odds-on favorites in this year.
- This year Houston has won 16 of 22 games when listed as at least -190 on the moneyline.
- The Astros and their opponents have gone over in 61 of their 123 games with a total set by sportsbooks this season.
- In 123 games with a line this season, the Astros have a mark of 62-61-0 against the spread.
- The Mariners have won 53.7% of the games this season they were the moneyline underdog (22-19).
- Seattle has played as a moneyline underdog of +160 or longer in only two games this season, which it split 1-1.
- The Mariners have combined with opponents to go over the total 61 times this season for a 61-59-3 record against the over/under.
- The Mariners have put together a 61-62-0 record ATS this season (covering 49.6% of the time).
Astros Player Leaders
- Kyle Tucker leads Houston with 131 hits and an OBP of .377, plus a team-best slugging percentage of .526. He's batting .297.
- Among all qualifying hitters, he is 12th in batting average, his on-base percentage ranks 13th, and he is 12th in slugging.
- Tucker hopes to build on a two-game hitting streak in this matchup. In his last five games he is batting .381 with a double, three home runs, two walks and eight RBI.
- Alex Bregman is hitting .249 with 17 doubles, two triples, 20 home runs and 69 walks, while slugging .421 with an on-base percentage of .348.
- He is 97th in batting average, 39th in on-base percentage and 86th in slugging among qualified hitters.
- Yordan Alvarez has collected 76 base hits, an OBP of .380 and a slugging percentage of .554 this season.
- Mauricio Dubon has been key for Houston with 101 hits, an OBP of .298 plus a slugging percentage of .375.
Mariners Player Leaders
- Julio Rodriguez has racked up a slugging percentage of .463 and has 142 hits, both team-high numbers for the Mariners. He's batting .278 and with an on-base percentage of .337.
- Including all the qualified players in MLB, his batting average is 27th, his on-base percentage ranks 54th, and he is 45th in slugging.
- Rodriguez hopes to build on a seven-game hitting streak in this matchup. During his last 10 games he is batting .451 with five doubles, three home runs, two walks and 17 RBI.
- Ty France is batting .256 with 28 doubles, 10 home runs and 33 walks. He's slugging .383 with an on-base percentage of .337.
- Including all qualifying hitters, he ranks 75th in batting average, 54th in on-base percentage and 114th in slugging percentage.
- Cal Raleigh has 18 doubles, a triple, 22 home runs and 41 walks while hitting .221.
- Teoscar Hernandez is hitting .256 with 25 doubles, two triples, 18 home runs and 27 walks.
Astros vs. Mariners Head to Head
- 8/19/2023: 10-3 SEA (Favorite: Astros, Spread: -1.5, Total: 7.5, Favorite Moneyline: -148, Underdog Moneyline: +126)
- 8/18/2023: 2-0 SEA (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -146, Underdog Moneyline: +124)
- 5/7/2023: 3-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -136, Underdog Moneyline: +116)
- 7/9/2023: 3-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -136, Underdog Moneyline: +116)
- 7/8/2023: 3-2 HOU (Favorite: Astros, Spread: -1.5, Total: 7, Favorite Moneyline: -132, Underdog Moneyline: +112)
- 7/7/2023: 10-1 SEA (Favorite: Astros, Spread: -1.5, Total: 7, Favorite Moneyline: -112, Underdog Moneyline: -104)
- 7/6/2023: 5-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
- 5/6/2023: 7-5 SEA (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
- 5/5/2023: 6-4 HOU (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -136, Underdog Moneyline: +116)
- 10/11/2022: 8-7 HOU (Favorite: Astros, Spread: -1.5, Total: 6.5, Favorite Moneyline: -235, Underdog Moneyline: +194)
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