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

Odds updated as of 5:13 a.m.

MLB action on Sunday includes the San Diego Padres playing the Houston Astros.

Here's what you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

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

This contest's pitching matchup is set, as the Padres will send Randy Vasquez (7-6) to the mound, while Cristian Javier (1-2) will take the ball for the Astros. Vasquez and his team have a record of 12-6-0 against the spread when he starts. Vasquez's team has a record of 4-2 this season when he starts and they are the favorite on the moneyline. The Astros have a 2-3-0 record against the spread in Javier's starts. 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 (50.8%)

Padres vs Astros Moneyline

• Looking at the moneyline for Astros-Padres, Houston is the underdog at +100, and San Diego is -118 playing 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

• The over/under for Padres-Astros on Aug. 9 is 8.5. The over is -115, and the under is -105.

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

Padres vs Astros Betting Trends

• The Padres have come away with 27 wins in the 50 contests they have been listed as the favorites in this season.
• San Diego has a record of 24-18 when favored by -118 or more this year.
• The Padres' games have gone over the total in 54 of their 118 opportunities.
• The Padres have posted a record of 65-53-0 against the spread this season.
• The Astros have won 35 of the 67 games they were the moneyline underdog this season (52.2%).
• Houston is 28-25 (winning 52.8% of its games) when playing as a moneyline underdog of +100 or longer.
• The Astros have combined with opponents to hit the over on the total 64 times this season for a 64-50-4 record against the over/under.
• The Astros have put together a 59-59-0 record ATS this season (covering 50% of the time).

Padres Player Leaders

• Fernando Tatis Jr. leads San Diego OPS (.760) this season. He has a .281 batting average, an on-base percentage of .352, and a slugging percentage of .409.
• Among all qualified hitters in baseball, he ranks 27th in batting average, 42nd in on-base percentage, and 90th in slugging.
• Tatis has picked up at least one hit in five straight games. In his last five games he is batting .300 with two doubles, two home runs, two walks and two RBIs.
• Manny Machado leads San Diego in total hits (90) this season while batting .212 with 43 extra-base hits. He's slugging .421 with an on-base percentage of .298.
• Among qualified hitters, his batting average places him 135th, his on-base percentage 119th, and his slugging percentage 74th.
• Machado heads into this game looking to extend his two-game hit streak. 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 takes a three-game hitting streak into this game. In his last five games he is hitting .333 with a triple, a home run, a walk and six RBIs.
• Xander Bogaerts has been key for San Diego with 86 hits, an OBP of .318 plus a slugging percentage of .321.

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-highs for the Astros (while batting .325).
• Including all qualified players in MLB, he is first in batting average, first in on-base percentage and first in slugging percentage.
• Isaac Paredes is hitting .253 with 20 doubles, a triple, 15 home runs and 45 walks. He's slugging .418 with an on-base percentage of .347.
• His batting average ranks 78th among all qualified players, his on-base percentage is 49th, and he is 81st in slugging.
• Christian Walker has 24 doubles, a triple, 22 home runs and 41 walks while batting .242.
• Jeremy Pena is batting .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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