Padres vs Astros Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 9

Odds updated as of 8:11 a.m.

The MLB's Sunday slate includes the San Diego Padres facing the Houston Astros.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's everything you need to know.

Padres vs Astros Game Info

• San Diego Padres (61-57) vs. Houston Astros (60-58)
• Date: Sunday, August 9, 2026
• Time: 8:20 p.m. ET
• Venue: Petco Park -- San Diego, California
• Coverage: NBC/Peacock

Padres vs Astros Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SD: (-118) | HOU: (+100)
• Spread: SD: +1.5 (-194) | HOU: -1.5 (+158)
• Total: 8.5 -- Over: (-115) | Under: (-105)

Padres vs Astros Probable Starting Pitchers

Probable Pitchers: Randy Vasquez (Padres) - 7-6, 4.19 ERA vs Cristian Javier (Astros) - 1-2, 6.59 ERA

The Padres will give the nod to Randy Vasquez (7-6) versus the Astros and Cristian Javier (1-2). Vasquez's team is 12-6-0 against the spread this season in his starts. Vasquez's team has won 66.7% of his starts when they are favored on the moneyline (4-2). When Javier starts, the Astros are 2-3-0 against the spread. The Astros were the moneyline underdog for one Javier start this season -- they lost.

Padres vs Astros Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Astros win (51.4%)

Padres vs Astros Moneyline

• Houston is a +100 underdog on the moneyline, while San Diego is a -118 favorite at home.

Padres vs Astros Spread

• The Astros are 1.5-run favorites against the spread for this matchup with the Padres. The Astros are +158 to cover, while the Padres are -194 to cover as a 1.5-run underdog on the runline.

Padres vs Astros Over/Under

• A total of 8.5 runs has been set for the Padres-Astros contest on Aug. 9, with the over available at -115 and the under at -105.

Bet on San Diego Padres vs. Houston Astros on FanDuel today!

Padres vs Astros Betting Trends

• The Padres have been chosen as favorites in 50 games this year and have walked away with the win 27 times (54%) in those games.
• San Diego has a record of 24-18 in contests when sportsbooks favor them by -118 or more on the moneyline.
• Contests with the Padres have gone over the total set by sportsbooks in 54 of 118 chances this season.
• The Padres are 65-53-0 against the spread in their 118 games that had a posted line this season.
• The Astros have been the moneyline underdog 67 total times this season. They've gone 35-32 in those games.
• When playing as a moneyline underdog with odds of +100 or longer, Houston has a 28-25 record (winning 52.8% of its games).
• The Astros have combined with opponents to go over the total 64 times this season for a 64-50-4 record against the over/under.
• The Astros are 59-59-0 ATS this season.

Padres Player Leaders

• Fernando Tatis Jr. has an OPS of .760, fueled by an OBP of .352 to go with a slugging percentage of .409. He has a .281 batting average, as well.
• Among qualified hitters in baseball, his batting average ranks 27th, his on-base percentage ranks 42nd, and he is 90th in slugging.
• Tatis hopes to build on a five-game hitting streak in this matchup. During his last five outings he is hitting .300 with two doubles, two home runs, two walks and two RBIs.
• Manny Machado has 90 hits, which ranks first among San Diego batters this season. He's batting .212 with 43 extra-base hits. He's also slugging .421 with an on-base percentage of .298.
• He is 135th in batting average, 119th in on-base percentage and 74th in slugging among qualifying hitters.
• Machado has picked up a hit in two games in a row. In his last five games he is hitting .294 with a double, four walks and five RBIs.
• Jackson Merrill has 108 hits this season and has a slash line of .242/.292/.405.
• Merrill has recorded at least one base hit in three games in a row. During his last five outings he is hitting .333 with a triple, a home run, a walk and six RBIs.
• Xander Bogaerts has nine home runs, 41 RBI and a batting average of .223 this season.

Astros Player Leaders

• Yordan Alvarez has put up an on-base percentage of .439, a slugging percentage of .630, and has 137 hits, all club-bests for the Astros (while batting .325).
• Including all qualifying hitters, he is first in batting average, while his on-base percentage is first and he is first in slugging.
• Isaac Paredes is batting .253 with 20 doubles, a triple, 15 home runs and 45 walks. He's slugging .418 with an on-base percentage of .347.
• Including all qualifying hitters, his batting average puts him 78th, his on-base percentage is 49th, and he is 81st in slugging.
• Christian Walker is batting .242 with 24 doubles, a triple, 22 home runs and 41 walks.
• Jeremy Pena has 12 doubles, a triple, 13 home runs and 21 walks while batting .302.

Padres vs Astros Head to Head

• 8/8/2026: 3-2 SD (Favorite: Padres, Spread: -1.5, Total: 8, Favorite Moneyline: -116, Underdog Moneyline: +106)
• 8/7/2026: 6-3 HOU (Favorite: Padres, Spread: -1.5, Total: 8.5, Favorite Moneyline: -110, Underdog Moneyline: +102)
• 4/20/2025: 3-2 SD (Favorite: Astros, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 4/19/2025: 3-2 HOU (Favorite: Padres, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 4/18/2025: 6-4 HOU (Favorite: Astros, Spread: -1.5, Total: 9, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 9/18/2024: 4-0 SD (Favorite: Padres, Spread: -1.5, Total: 6.5, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 9/17/2024: 4-3 HOU (Favorite: Padres, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 9/16/2024: 3-1 SD (Favorite: Padres, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 9/10/2023: 12-2 HOU (Favorite: Astros, Spread: -1.5, Total: 10, Favorite Moneyline: -188, Underdog Moneyline: +158)
• 9/9/2023: 7-5 HOU (Favorite: Astros, Spread: -1.5, Total: 9, Favorite Moneyline: -120, Underdog Moneyline: +102)

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