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

Odds updated as of 8:11 p.m.

In MLB action on Sunday, the San Diego Padres take on the Houston Astros.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's what 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: (-116) | HOU: (+106)
• Spread: SD: +1.5 (-192) | HOU: -1.5 (+158)
• Total: 9 -- Over: (-106) | Under: (-114)

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 probable starters are Randy Vasquez (7-6) for the Padres and Cristian Javier (1-2) for the Astros. When Vasquez starts, his team is 12-6-0 against the spread this season. When Vasquez starts a game and his team is the favorite on the moneyline, they have a record of 4-2. The Astros have a 2-3-0 record against the spread in Javier's starts. The Astros were named 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

• The Padres vs Astros moneyline has San Diego as a -116 favorite, while Houston is a +106 underdog on the road.

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 -192 to cover as a 1.5-run underdog on the runline.

Padres vs Astros Over/Under

• A combined run total of 9 has been set for Padres-Astros on Aug. 9, with the over at -106 and the under at -114.

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Padres vs Astros Betting Trends

• The Padres have won in 27, or 54%, of the 50 contests they have been named as odds-on favorites in this year.
• This year San Diego has won 26 of 45 games when listed as at least -116 on the moneyline.
• Contests with the Padres have gone over the total set by sportsbooks in 54 of 118 chances this season.
• In 118 games with a line this season, the Padres have a mark of 65-53-0 against the spread.
• The Astros have compiled a 35-32 record in games they were listed as the moneyline underdog (winning 52.2% of those games).
• In games it has played as a moneyline underdog with odds of +106 or longer, Houston has a 25-21 record (winning 54.3% of its games).
• The Astros have played in 118 games with an over/under set, and have combined with their opponents to go over the total 64 times (64-50-4).
• The Astros have collected a 59-59-0 record against the spread this season (covering 50% of the time).

Padres Player Leaders

• Fernando Tatis Jr. leads San Diego with an OBP of .352, plus a team-best slugging percentage of .409. He's batting .281 on the season.
• Among all qualified hitters in baseball, he is 27th in batting average, 43rd in on-base percentage, and 91st in slugging.
• Tatis will look for his sixth straight game with a hit in this matchup. In his last five games he is batting .300 with two doubles, two home runs, two walks and two RBIs.
• Manny Machado has 90 hits, which is best 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 ranks 137th in batting average, 121st in on-base percentage and 73rd in slugging among qualifying hitters.
• Machado brings a two-game streak with at least one hit into this one. In his last five games he is hitting .294 with a double, four walks and five RBIs.
• Jackson Merrill is batting .242 with a .405 slugging percentage and 58 RBI this year.
• Merrill enters this matchup with three games in a row with at least one hit. During his last five outings he is batting .333 with a triple, a home run, a walk and six RBIs.
• Xander Bogaerts is batting .223 with a .318 OBP and 41 RBI for San Diego this season.

Astros Player Leaders

• Yordan Alvarez has racked up a team-best OBP (.439) and slugging percentage (.630), and paces the Astros in hits (137, while batting .325).
• Including all the qualified hitters in the majors, his batting average puts him first, 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 places him 78th, his on-base percentage is 50th, and he is 82nd in slugging.
• Christian Walker is batting .242 with 24 doubles, a triple, 22 home runs and 41 walks.
• Jeremy Pena is hitting .302 with 12 doubles, a triple, 13 home runs and 21 walks.

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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